The tactics that the united states used to contain communism in the western hemisphere is :
Aggressive force: By placing our military forces in the region that are a threat of communism
Foreign Aid : By aiding the countries in need to earn their favour
hope this helps
Rockefeller and Andrew Carnegie use their money for the public good in a way that they embarked on huge, independent philanthropic efforts.
At the beginning of the 20th century, Carnegie and Rockefeller, who were the richest men in the nation, started massive, independent philanthropy initiatives. In the final decades of his life, each donated hundreds of millions of dollars. And each endowed a foundation that continues to be active in philanthropy.
Carnegie and Rockefeller focused on issues like health care, scientific research, and education in order to address the core causes of major global issues. They donated money to scientific advancement.
To learn more about Rockefeller and Andrew Carnegie here
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It had a big port used for trade
The answer is A) they didnt make enough money to move
I'm going to say C since I looked up the question, but warning you , I may be wrong
