Origins
Tensions
Escalation
First "Hot" War
Policies & Crises
100

This 1941 agreement between Franklin D. Roosevelt and Winston Churchill outlined democratic ideals but left postwar enforcement unclear.

What is the Atlantic Charter?

100

This 1945 conference revealed growing distrust between Harry Truman and Joseph Stalin over Eastern Europe.

What is the Potsdam Conference?

100

This economic aid program helped rebuild Western Europe and prevent the spread of communism.

What is the Marshall Plan?

100

After WWII, Korea was divided along this line.

What is the 38th parallel?

100

This policy threatened overwhelming nuclear response to deter Soviet aggression.

What is Massive Retaliation?

200

At this conference, Allied leaders agreed to demand “unconditional surrender” from Axis powers.

What is the Casablanca Conference?

200

This 1947 policy pledged U.S. support to nations resisting communism, especially Greece and Turkey.

What is the Truman Doctrine?

200

This event (1948–49) involved the U.S. supplying a city entirely by air after a Soviet blockade.

What is the Berlin Airlift?

200

This general led UN forces and pushed North Korean troops back toward China.

Who is Douglas MacArthur?

200

This 1960 incident, involving Francis Gary Powers, heightened tensions between the U.S. and USSR.

What is the U-2 incident?

300

At the Tehran Conference, Stalin pushed for this military action to relieve Soviet pressure.

What is opening a second front (D-Day invasion)?

300

After WWII, the U.S. helped rebuild this former enemy nation as a democratic ally in Asia.

What is Japan?

300

This 1947 law reorganized the military and created the Department of Defense and CIA.

What is the National Security Act?

300

This country responded to U.N. actions by also invading North Korea, further expanding the conflict. 

What is China? 

300

The U.S. supported this Middle Eastern nation, formally recognized in 1948, during early Cold War tensions.

What is Israel?

400

This country became a major point of tension because the Soviets installed a pro-communist government despite earlier agreements.

What is Poland?

400

This strategy, first articulated by George F. Kennan, aimed to stop the spread of communism.

What is containment?

400

This secret 1950 document called for a major U.S. military buildup to confront communism.

What is NSC-68?

400

This strategy was at the heart of the Truman-MacArthur controversy. 

What is Limited War? 

400

During this 1956 crisis, Dwight D. Eisenhower refused to support Britain, France, and Israel’s invasion of Egypt.

What is the Suez Crisis?

500

At this 1945 conference, Allied leaders agreed to divide Germany and establish the United Nations.

What is the Yalta Conference?

500

The “China Problem” ultimately led to this political outcome in China.

What is the communist victory?

500

This 1955 alliance united the Soviet Union and Eastern European nations in response to NATO.

What is the Warsaw Pact?

500

The Korean War ended in this type of agreement, leaving the peninsula still divided.

What is an armistice (or, "cease fire")?

500

Under John Foster Dulles, U.S. foreign policy sought this which emphasized tension in confrontations to achieve concessions.

What is brinkmanship?