Which sequence of 20th-century Cold War

events is in the correct chronological order?

(1) fall of the Berlin Wall → Cuban missile crisis →

adoption of the Marshall Plan

(2) Cuban missile crisis → fall of the Berlin Wall →

adoption of the Marshall Plan

(3) fall of the Berlin Wall → adoption of the

Marshall Plan → Cuban missile crisis

(4) adoption of the Marshall Plan → Cuban missile

crisis → fall of the Berlin Wall