4 would be right from what i've read.
The Toltecs were responsible for establishing a variety of the basics that the rest of their Central Mexicans would follow. However, the Toltecs could not establish the major cities and trading centers that people like the Teotihuacanos and the Aztecs would later establish.
Answer:
Dissolution of the Soviet Union/Allowing more freedoms to people
Explanation:
Most of the fears United States had was the spread of communism.
Mikhali slowly was granting more and more freedoms during his rule.
eventually this lead to the end of the USSR.
In the end however, we still seem to be enemies of Russia even though they gave up so many things.
