Question

which cold war event happened last? germany is divided. the berlin wall is built. the korean war starts. the warsaw pact is formed.

Explanation:

1. Germany was divided in 1945 at the end of WWII, early in the Cold War.
2. The Korean War started in 1950.
3. The Warsaw Pact was formed in 1955.
4. The Berlin Wall was built in 1961, which is later than the other events.

Answer:

The Berlin Wall is built.