They were considered to be foreigners because their tribes were regarded as separate nations.
The main grievance made by Civil Rights leaders during this time was that African Americans had just been asked to fight in a war for a country that didn't treat them fairly at home. The youth were mainly content until the 60s, when they were very outspoken against the war in Vietnam.
This question refers to the essay "The Idea of America" by Hannah-Jones. In this essay, Jones talks about the way Black people experienced, and impacted, the Revolutionary War in the United States. She tells us that:
<em>"...as the sociologist Glenn Bracey wrote, ‘‘Out of the ashes of white denigration, we gave birth to ourselves.’’ For as much as white people tried to pretend, black people were not chattel. And so the process of seasoning, instead of erasing identity, served an opposite purpose: In the void, we forged a new culture all our own."</em>
The explanation the author gives in this text expands on the quote by describing how Black people were able to develop their own selves. We learn that Black people were considered "chattel" and that they were denigrated, minimized and ignored constantly. However, this did not lead to the erasure of their culture. Instead, out of these harsh experiences, Black people were able to create their own identity in a way that continues to our day.
The Mayan empire were extremely religious so this meant that they needed peaceful places to worship their gods. Temples represented sacred places that the Mayan people could go to worship their gods.
The last one. During the crusades, different foods and such were found, different goods were unlocked to europe, and different mathematic and scientific ideas were brought back as well.