Why was 1989 a pivotal year in world history?(1 point)

Responses

Putin rose to power in Russia and took over.
Putin rose to power in Russia and took over.

The Tiananmen Square protests were successful.
The Tiananmen Square protests were successful.

Communism started to decline and the Berlin Wall came down.
Communism started to decline and the Berlin Wall came down.

Vietnam invaded and took over Cambodia.

Communism started to decline and the Berlin Wall came down. This marked the end of the Cold War and the beginning of a new era in global politics and international relations.