What event marked the end of the cold war

The main Event that marked the end of the cold war was the fall of the Berlin wall in 1989 and the breakup of Soviet union in 1991.

Explanation:

the Berlin Wall has been the main symbol of the Cold War. it's hard kept people from Eastern Europe, which was communist, from Escaping to the west.

the american rail road was the most influential and useful transportation system developed in the 1800's with steam locomotives and in the very late 1800's and early 1900's diesel electric locomotives being used to transport goods and people around the newly expanded united states!

comparative method

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