Question

Put the following events and people in order of who/what came first. Some

were around the same time, but which ones were more prominent first?
.
.
The United Nations
Vladimir Lenin
The Russian Revolution
Adolf Hitler and Joseph Stalin's agreement
World War II
Leon Trotsky and Joseph Stalin
The Battle of Stalingrad
The Gulags
Karl Marx
The Cold War
Czar Nicolas II of Russia
World War I
.
.
.
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Answer 1

Im not sure.

Step-by-step explanation:

If you need help, dont ask me loll.