What hindered the cold war? The Persian Gulf War

The Bay of Pigs invasion

The fall of the Berlin Wall

The re-election of president Clinton

The event that mainly hindered the Cold War was the fall of Berlin Wall. The fall of Berlin wall became the iconic symbol that "marks" the end of the Cold War between the Unites States of America and the Soviet Union. The Eastern and Western Germany that the wall separates became reunited once again as a unified Germany.