Pearl Harbor was attacked on:

Martin Luther King Jr. is best known for:

The Civil Rights Act of 1964:

The Cold War was between:
The graph shows U.S. unemployment during the Great Depression. Based on the graph, unemployment peaked in 1933 at 25%. Which program was primarily responsible for the eventual decline?

The US entered World War I in:
The Dust Bowl occurred primarily in:
Rosa Parks is famous for:

The diagram shows the structure of the United Nations, founded in 1945. What was the primary purpose of creating the United Nations after World War II?

D-Day (June 6, 1944) was: