The Quarantine Speech was given by U.S. President Franklin Delano Roosevelt on October 5, 1937, in Chicago

Chicago

Chicago is the largest city in the US state of Illinois. With nearly 2.7 million residents, it is the most populous city in the Midwestern United States and the third most populous in the US, after New York City and Los Angeles...

, calling for an international "quarantine of the aggressor nations" as an alternative to the political climate of American neutrality and non-intervention that was prevalent at the time. The speech intensified America's isolationist mood, causing protest by non-interventionists and foes to intervention. No countries were directly mentioned in the speech, but it was interpreted as referring to Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

, Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

, and Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

. Roosevelt suggested the use of economic pressure, a forceful response, but less direct than outright aggression.

Public response to the speech was mixed. Famed cartoonist Percy Crosby

Percy Crosby

Percy Leo Crosby was an American author, illustrator and cartoonist best known for his popular comic strip Skippy. Adapted into movies, a novel and a radio show, Crosby's creation was commemorated on a 1997 U.S. Postal Service stamp...

, creator of the Skippy strip and very outspoken Roosevelt critic, bought a two-page advertisement in the New York Sun to attack it. It was also heavily criticized by Hearst-owned

William Randolph Hearst

William Randolph Hearst was an American business magnate and leading newspaper publisher. Hearst entered the publishing business in 1887, after taking control of The San Francisco Examiner from his father...

 newspapers and Robert R. McCormick

Robert R. McCormick

Robert Rutherford "Colonel" McCormick was a member of the McCormick family of Chicago who became owner and publisher of the Chicago Tribune newspaper...

 of the Chicago Tribune

Chicago Tribune

The Chicago Tribune is a major daily newspaper based in Chicago, Illinois, and the flagship publication of the Tribune Company. Formerly self-styled as the "World's Greatest Newspaper" , it remains the most read daily newspaper of the Chicago metropolitan area and the Great Lakes region and is...

, but several subsequent compendia of editorials showed overall approval in US media.