The Domino Theory states which of the following?
The impact of communism can never spread into Europe because wealthy nations will have no reason to embrace an end to private property.
The United States has a duty to prevent the spread of communism in Western Europe.
Once one country falls under the influence of communism, the neighboring countries are likely to follow.
Communism and capitalism can never mutually coexist in the world and will always be in conflict.
Two democratic countries will never go to war with each other.
In the Russian Revolution, the Tsarist monarchy was replaced by .
autocracy
oligarchy
communism
fascism
capitalism