The policy of containment made the other non-communist countries side with the US. As this policy would keep them safe from communism.
The answer to this question is C! “It was caused by both spiritual disagreements and struggles for power.”
Historians are most likely to study written records because they study history.
Geologists study solid and liquid matter that make up the earth as well as history that has shaped it.
Archaeologists study the history based on artifacts, monuments, etc.
D, the treaty of Paris officially brought an end to the American Revolution.