D. Contain the spread of Communism in every region of the world
The domino theory said that if one country falls to Communism, then the nations it associates with will turn to Communism as well. So, the solution for this was try to contain Communism so it wouldn't spread.
What detail from the text?
A cultural region is an area of culture that refers to a geographical area .
Examples The middle east Latin america, North america etcx
Barrack Obama has been the President of the USA since 2008. He will no longer be president this year as new elections are on the run.
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Sumer or Sumeria is still thought to be the birthplace of slavery, which grew out of Sumer into Greece and other parts of ancient Mesopotamia. The Ancient East, specifically China and India, didn't adopt the practice of slavery until much later, as late as the Qin Dynasty in 221 BC.
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