This is the year the United States entered into World War II.
What is 1941?
100
The Cold War was "fought" between these two superpowers.
What are the United States and the Soviet Union (USSR)?
100
The Vietnam War was part of this larger war.
What is the Cold War?
200
He was the president during the Spanish-American War.
Who is McKinley?
200
The enemies of The Allied Powers during WWI were collectively known as this.
What are The Central Powers?
200
Japan bombed this military site in Hawaii, which provoked the United States to enter World War II.
What is Pearl Harbor?
200
The main reason the U.S. and its allies were involved in the Cold War was to contain this system of government from spreading from the Soviet Union to other parts of the world.
What is communism?
200
The Vietnam War went on for roughly 20 years, in these three decades.
What are the 1950s, 1960s, and 1970s?
300
The explosion of this ship was the tipping point that led to the Spanish-American War
What is the USS Maine?
300
When World War I started in Europe, President Wilson and most Americans believed that the United States should do this.
What is remain neutral?
300
The enemies of the United States and the Allies, these three countries made up the Axis Powers.
What are Germany, Japan, and Italy?
300
The Cold War went on through these five decades.
What are the 1940s, 1950s, 1960s, 1970s, and 1980s?
300
This is the main reason the United States fought in Vietnam.
What is to contain communism?
400
After winning the Spanish-American War, the United States gained several territories. These are two of them.
What are Cuba, Puerto Rico, the Philippines, Guam?
400
This country provoked the United States into entering World War I by sinking its ships and trying to form an alliance with Mexico.
What is Germany?
400
President Truman ordered atomic bombs to be dropped on these two cities in Japan at the end of World War II.
What are Hiroshima and Nagasaki?
400
This is the most likely reason that the Cold War did not escalate into a "hot war".
What is the fact that both the U.S. and the U.S.S.R. had nuclear weapons and feared that the other might use them?
400
There were several reasons that the Vietnam War became very unpopular in the United States. These are two of them.
What are the mandatory draft, the huge loss of lives, it seemed like the U.S. couldn't win, Americans saw bloodshed and horror on TV.
500
This political "ism", which favors the building of empires and markets around the world, was the main reason the United States fought in the Spanish-American War.
What is imperialism?
500
This treaty, which signaled the end of World War I, harshly punished Germany and came back to haunt the Allies a few years later.
What is the Treaty of Versailles?
500
During World War II, the U.S. government rounded up this group of Americans in California and put them in internment camps.
Who are Japanese-Americans?
500
The nine U.S. presidents during the Cold War.
Who are Truman, Eisenhower, Kennedy, Johnson, Nixon, Ford, Carter, Reagan, Bush?
500
This American president is the one most associated with the bulk of the Vietnam War.