-
- United States federal law signed by President Chester A. Arthur.
- It was one of the most significant restrictions on free immigration in US history.
-
- State and local laws enforcing racial segregation in the Southern United States.
-
- A ship was identified and torpedoed by the German U-boat U-20 and sank in 18 minutes.
- Killing 1,198 and leaving 761 survivors.
-
- An internal diplomatic communication issued from the German Foreign Office.
-
- An Act of the United States Congress that extended the Espionage Act of 1917 to cover a broader range of offenses.
-
- An American union leader.
- One of the best-known socialists living in the United States.
-
- The promotion of fear of a potential rise of communism or radical leftism.
- The First Red Scare was about worker revolution and political radicalism.
-
- Established the prohibition of alcoholic beverages in the United States.
-
- Repealed the Eighteenth Amendment to the United States Constitution.
-
- Sets the dates at which federal government elected offices end.
-
- Prohibits any United States citizen from being denied the right to vote on the basis of sex.
-
- A United States federal law that limited the annual number of immigrants who could be admitted from any country to 2% of the number of people from that country who were already living in the United States.
-
- An American legal case in which a substitute high school teacher, John Scopes, was accused of violating Tennessee's Butler Act