The strategy of "containment" is best known as a Cold War foreign policy of the United States and its allies to prevent the spread of communism after the end of World War II.
The british were arming them and the americans were stealing their land
"<span>Social stratification developed based on newly specialized jobs" is the best option from the list, since this was due to the recent ability to domesticate plants and animals.</span>
W. E. B. Du Bois was a sociologist and activist who "helped found the NAACP".
<h3>
What was the main purpose of NAACP created by W. E. B. Du Bois"?</h3>
The main purpose of creating NAACP was to make sure that people get every right including political, social and economic and in order to reduce racisms.
Similarly, the Niagara Movement was also a call to eliminate the discrimination among the people on the basis of color, religion or any other race. He also worked for the African-American rights.
Therefore, correct option is A.
Learn more about W. E. B. Du Bois, refer to the link:
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The biggest danger to United states troops in the Mexican American war was disease
According to historians, a very high percentage of U.S. soldiers succumbed to death from sickness during the Mexican American War than any war in American history. There were also a number of Mexican casualties
