Americans noticed that after the end of the Second World War, the geopolitical landscape of the world would change in favor of the United States, as it no longer had a threat in Europe nor had a threat in the Pacific Ocean, as the Empire of Japan was defeated during the war. This favorable scenario let the United States grow in economic and military power. Two processes that were perceived by the average American citizen, as job opportunities grew due to the development of the industry, leading to improving his or her living conditions.
Beacause of people being stupid
“The following statement about the disenfranchisement of African Americans in the South which is true is that white voting officials administered difficult literacy tests to African American voters. Since African Americans were denied the same standard of education as American Whites, when offered literacy tests they often had trouble completing them. The voting officials were aware of this, but did it anyways, as it was another way for them to hinder African Americans from voting and from entering the larger society.”
Native Americans most likely built mounds for ceremonial and/or burial purposes. I know this because I am Native American. Good Luck! Hoped this helped.
The first is the best option.
It is true that a lot of cultural aspects of Africa have been lost, most specifically, religion.
If we look at imperialism, its height came after the main period of African slave trade (second answer is false).
The tribal conflicts are still very ripe in Africa, and often they're fueled by the carefulness boundary drawing of countries in Africa- the third answer is false.
More self-rule is also false, if anything, imperialism brought less self-rule
