Who or what were “contrabands” during the Civil War?

With the end of the international slave trade in 1808, a limited supply of slaves and an increased demand for slave labor in new western territories caused what to happen?

Why was isolationism such a popular position in the United States—and much of the rest of the world—during the years leading up to World War II?

The admission of _______ as a state provoked a renewed political controversy over the expansion of slavery, which resulted in the Compromise of 1850.

Hitler reoccupied the Rhineland, annexed Austria, took the Sudetenland, and finally began World War II by outright invading what country in 1939?

President Franklin D. Roosevelt used the crisis of the Great Depression to help push desegregation and equal civil rights for African-Americans.

What did blacks at this time view as the key to the present and future improvement of their status?

What unwise, get-rich-quick stock market practice helped create the bubble that burst in 1929?

In addition to capturing a strategic airfield, the battle of Tarawa in November 1943 was an opportunity for the US to test new methods of what kind of warfare?

During the “Red Summer” of 1919, more than 26 _______ broke out in cities as diverse as Chicago, Knoxville, Omaha, and Longview, Texas.