Germany resumed attacks on ships headed to Allied ports, including vessels carrying Americans. What German policy does this describe?

A 1917 German message promised Mexico help recovering Texas, New Mexico, and Arizona if it joined a war against the United States. What was this message called?

In 1915 a German U-boat sank a British passenger liner, killing 128 Americans. Which event increased U.S. anger over Germany's sea war?

U.S. munitions sales and more than $2 billion in bank loans went to Britain and France before 1917. Which cause of U.S. entry into the war does this show?

In April 1917, Wilson asked Congress to declare war on Germany. Which argument did he make?

Congress passed a 1917 law requiring millions of men to register for possible military service. Which wartime policy was this?

Hoover's wartime agency asked Americans to observe Meatless Tuesdays and Wheatless Wednesdays so troops and allies had enough to eat. Which agency led this effort?

Government posters urged Americans to lend money to help pay World War I costs. Which home-front program was being promoted?

General John J. Pershing commanded U.S. troops sent to fight in France during World War I. What was this force called?

Wilson's peace plan called for a League of Nations, but many senators objected to Article X. What concern did they raise?

In 1920 a constitutional amendment legally guaranteed American women the right to vote. Which amendment made that change?

The Eighteenth Amendment and the Volstead Act took effect in January 1920. Which 1920s policy did they create?

African American writers, artists, and musicians such as Langston Hughes and Zora Neale Hurston gained national attention in a New York neighborhood in the 1920s. What movement was this?

Radios, movies, chain stores, and national advertising spread the same entertainment and products to many Americans. Which 1920s change is shown?

Ford's moving assembly line let workers build cars faster and cheaper, making the Model T easier for middle-class families to buy. Which change is shown?

In 1925 John Scopes was tried for teaching evolution in a Tennessee public school. What social conflict did the trial highlight?

Many 1920s shoppers bought radios, cars, and appliances with installment plans instead of paying full price at once. What did this practice increase?

Car ownership expanded rapidly in the 1920s. What consequence followed?

Some 1920s investors bought stocks on margin, paying only part of the price and borrowing the rest. What consequence did this create when prices fell?

The Immigration Act of 1924 set national-origin quotas and barred immigrants ineligible for citizenship. What consequence did that policy have?