Neutrality Acts of 1930s

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The Neutrality Acts were passed by the United States Congress in the 1930s, in response to the growing turmoil in Europe and Asia that eventually led to World War II. They were spurred by the growth in isolationism and non-interventionism in the US following its costly involvement in World War I, and sought to ensure that the US would not become entangled again in foreign conflicts.

The legacy of the Neutrality Acts is widely regarded as having been generally negative: they made no distinction between aggressor and victim, treating both equally as "belligerents"; and they limited the US government's ability to aid Britain and France against Nazi Germany. The acts were largely repealed in 1941, in the face of German submarine attacks on U.S. vessels and the Japanese attack on Pearl Harbor.


The Nye Committee hearings between 1934 and 1936 and several best-selling books of the time, like H. C. Engelbrecht's The Merchants of Death (1934), supported the conviction of many Americans that the U.S. entry into World War I had been orchestrated by bankers and arms dealers for profit reasons. This strengthened the position of isolationists and non-interventionists in the country.

Powerful forces in United States Congress pushing for non-interventionism and strong Neutrality Acts were the Republican Senators William Edgar Borah, Arthur H. Vandenberg, Gerald P. Nye and Robert M. La Follette, Jr.,[1] but support of non-interventionism was not limited to the Republican party. The Ludlow Amendment, requiring a public referendum before any declaration of war except in cases of defense against direct attack, was introduced several times without success between 1935 and 1940 by Democratic Representative Louis Ludlow.

Democratic President Roosevelt and especially his Secretary of State Cordell Hull were critical of the Neutrality Acts, fearing that they would restrict the administration's options to support friendly nations. Even though both the House and Senate had large Democratic majorities throughout these years, there was enough support for the Acts among Democrats (especially those representing Southern states) to ensure their passage. Although Congressional support was insufficient to override a presidential veto, Roosevelt felt he could not afford to snub the South and anger public opinion, especially while facing re-election in 1936 and needing Congressional co-operation on domestic issues. With considerable reluctance, the president signed the Neutrality Acts into law.[2] When Congress passed the Neutrality Act of 1935, the State Department established an office to enforce the provisions of the Act. The Office of Arms and Munitions Control, renamed the Division of Controls in 1939 when the office was expanded, consisted of Joseph C. Green and Charles W. Yost.

Neutrality Act of 1935

Roosevelt's State Department had lobbied for embargo provisions that would allow the President to impose sanctions selectively. This was rejected by Congress. The 1935 act[3] imposed a general embargo on trading in arms and war materials with all parties in a war. It also declared that American citizens traveling on warring ships traveled at their own risk. The act was set to expire after six months.

Roosevelt invoked the act after Italy's invasion of Ethiopia in October 1935, preventing all arms and ammunition shipments to belligerent countries. He also declared a "moral embargo" against the belligerents, covering trade not falling under the Neutrality Act.[4]

Neutrality Act of 1936

The Neutrality Act of 1936[5] renewed the provisions of the 1935 act for another 14 months. It also forbade all loans or credits to belligerents.

However, this act did not cover "civil wars," such as that in Spain (1936–1939), nor did it cover materials such as trucks and oil. U.S. companies such as Texaco, Standard Oil, Ford, General Motors, and Studebaker exploited this loophole to sell such items to General Franco on credit. By 1939, Franco owed these and other companies more than $100,000,000.[6]

Neutrality Act of 1937

In January 1937, the Congress passed a joint resolution outlawing the arms trade with Spain. The Neutrality Act of 1937[7] included the provisions of the earlier acts, this time without expiration date, and extended them to cover civil wars as well.[8] Furthermore, U.S. ships were prohibited from transporting any passengers or articles to belligerents, and U.S. citizens were forbidden from traveling on ships of belligerent nations.

In a concession to Roosevelt, a "cash-and-carry" provision that had been devised by his advisor Bernard Baruch was added: the President could permit the sale of materials and supplies to belligerents in Europe as long as the recipients arranged for the transport and paid immediately in cash, with the argument that this would not draw the U.S. into the conflict. Roosevelt believed that cash-and-carry would aid France and Great Britain in the event of a war with Germany, since they were the only countries that controlled the seas and were able to take advantage of the provision.[2] The cash-and-carry clause was set to expire after two years.

Japan invaded China in July 1937, starting the Second Sino-Japanese War. President Roosevelt, who supported the Chinese side, chose not to invoke the Neutrality Acts since the parties had not formally declared war. In so doing, he ensured that China's efforts to defend itself would not be hindered by the legislation: China was dependent on arms imports and only Japan would have been able to take advantage of cash-and-carry. This outraged the isolationists in Congress who claimed that the spirit of the law was being undermined. Roosevelt stated that he would prohibit American ships from transporting arms to the belligerents, but he allowed British ships to transport American arms to China.[9] Roosevelt gave his Quarantine Speech in October 1937, outlining a move away from neutrality and toward "quarantining" all aggressors. He then imposed a "moral embargo" on exports of aircraft to Japan.[4]

Neutrality Act of 1939

Early in 1939, after Nazi Germany had invaded Czechoslovakia, Roosevelt lobbied Congress to have the cash-and-carry provision renewed. He was rebuffed, the provision lapsed, and the mandatory arms embargo remained in place.

In September 1939, after Germany had invaded Poland, Great Britain and France declared war on Germany. Roosevelt invoked the provisions of the Neutrality Act but came before Congress and lamented that the Neutrality Acts may give passive aid to an aggressor/country.[10]

He prevailed over the isolationists, and on November 4 the Neutrality Act of 1939 was passed,[11] allowing for arms trade with belligerent nations (Great Britain and France) on a cash-and-carry basis, thus in effect ending the arms embargo. Furthermore, the Neutrality Acts of 1935 and 1937 were repealed, American citizens and ships were barred from entering war zones designated by the President, and the National Munitions Control Board (which had been created by the 1935 Neutrality Act) was charged with issuing licenses for all arms imports and exports. Arms trade without a license became a federal crime,[12] with a penalty of up to two years in prison.

End of neutrality policy

The end of neutrality policy came with the Lend-Lease Act of March 1941, which allowed the U.S. to sell, lend or give war materials to nations the administration wanted to support.

After repeated attacks by German submarines on U.S. ships, Roosevelt announced on September 11, 1941, that he had ordered the U.S. Navy to attack German and Italian war vessels in the "waters which we deem necessary for our defense". Following the sinking of the U.S. destroyer Reuben James on October 31, many of the provisions of the Neutrality Acts were repealed on November 17, 1941: merchant vessels were allowed to be armed and to carry any cargoes to belligerent nations. The U.S. formally declared war on Japan on 8 December 1941 following the attack on Pearl Harbor of the previous day; Germany and Italy declared war on the U.S. on 11 December 1941, and the U.S. responded with a declaration of war on the same day.

Subsequent application

The provision against unlicensed arms trades of the 1939 act remains in force.[13]

In 1948, Charles Winters, Al Schwimmer and Herman Greenspun were convicted under the 1939 Act after smuggling B-17 Flying Fortress bombers from Florida to the nascent state of Israel during the 1948 Arab–Israeli War.[14] All three received Presidential pardons in subsequent decades.[15]


  1. Delaney, David G, Neutrality Acts, Novel guide, retrieved June 5, 2008<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>.
  2. 2.0 2.1 The Neutrality Acts, 1930s, US: State Department, retrieved June 5, 2008<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>.
  3. Public Resolution 67, 74th Congress, 49 Stat. 1081 of August 31, 1935
  4. 4.0 4.1 Combs, Jerald A. (2002). "Embargoes and Sanctions". Encyclopedia of American Foreign Policy.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  5. Public Resolution 74, 74th Congress, 49 Stat. 1152 of February 29, 1936
  6. Anderson, James M. The Spanish Civil War: A History and Reference Guide. Westport, Connecticut: Greenwood Press. ISBN 0-313-32274-0.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  7. Public Resolution 27, 75th Congress, 50 Stat. 121 of May 1, 1937
  8. Kennedy, David M. (1999). Freedom From Fear: The American People in Depression and War, 1929-1945. New York: Oxford University Press. ISBN 0-19-503834-7.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  9. Powaski, Ronald E (1991), Toward an Entangling Alliance: American Isolationism, Internationalism, and Europe, 1901–1950, Westport: Greenwood, p. 72<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>.
  10. "September 21, 1939: FDR urges repeal of Neutrality Act embargo provisions". Retrieved February 4, 2011.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  11. Public Resolution 54, 76th Congress, 54 Stat. 4 of November 4, 1939
  12. Brinkley, Douglas; Rubel, David (2003). World War II: The Axis Assault, 1939-1942. Macmillan. pp. 99–106.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  13. 22 U.S.C. § 441 (notes)
  14. Lichtblau, Eric (24 December 2008). "Jailed for Aiding Israel, but Pardoned by Bush". The New York Times. p. A1. Retrieved 28 January 2010.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  15. "Pardon granted to man who flew planes to Israel". Jewish Telegraphic Agency. December 23, 2008. Retrieved December 23, 2008.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>

Further reading

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External links