Which event is considered the closest the Soviet Union and the United States came to actual war during the Cold War?

Question

the building of the Berlin Wall
the building of the Berlin Wall

the occupation of Germany after World War II
the occupation of Germany after World War II

the Bay of Pigs
the Bay of Pigs

the fall of the Berlin Wall

Answer 1

the Bay of Pigs

Answer 2

What is the main goal of the European Union?
to establish trade barriers between European countries
to establish trade barriers between European countries

to help European governments work together
to help European governments work together

to establish a European army
to establish a European army

to develop a superpower similar to the United States

Answer 3

to help European governments work together