How successful was the policy of peaceful co-existence?

History

Who was president of the United States when the Korean War began?

Stalin kept to the agreement of the Yalta conference, and allowed free elections in countries in Eastern Europe.

How many Soviet observation towers were built along the Berlin Wall?

Cuba has lots of oil and other valuable natural resources.

The ships were carrying lots of Soviet soldiers.

They were carrying Soviet missiles which could reach the USA.

Why did the USA perceive a threat when the USSR sent ships to Cuba in 1962?

The Vietnam War was popular amongst the American people and is generally regarded as a success.

Which year did the first World War start?

Which year did the Second World War start?

The assassination of Archduke Franz Ferdinand.

What is usually considered to be the spark that began the First World War?