Policy of supporting neither side in a war.

About 2 million Americans who went to France (regular army, the National Guard, volunteers and draftees) to fight during World War I.

An agreement to stop fighting.

Certificates sold by the United States government to pay for the war.

Ideas spread to influence public opinion for or against a cause.

1917 law that set heavy fines and long prison terms for antiwar activities.

1918 law that made it a crime to write, print, utter, or publish criticism of the president or government

Considered one of the greatest justices in Supreme Court history who argued that current necessity rather than precedent should determine the rules by which people are governed.

Movement of more than 300,000 African American from the rural south into Northern cities between 1914 and 1920.

Gardens that citizens planted to raise their own vegetables, so that food could be sent to the troops.

A form of communication between opposing sides in a conflict in which offers and counteroffers are made.

A world organization established in 1920 to promote international cooperation and peace. Essentially powerless, it was officially dissolved in 1946.

A series of proposals in which U.S. president Woodrow Wilson outlined a plan for achieving a lasting peace after World War I.

Peace agreement imposed on Germany by the Allied powers in 1920 after the end of World War I.

Payment for war damages.

Fear that communists were working to destroy the American way of life.

A 1920 operation coordinated by Attorney General Mitchel Palmer in which federal marshals raided the homes of suspected radicals.

People who want to make extreme changes.