Agricultural has changed social classes. For, example, trash has affected the upper class because of the amount of it keeps increasing, this also increases the difference between the high and low class.
Answer:
because they where walking on the earth?
In the United States, there are several ethnic groups that coexist and tend to group in certain areas of the country. Hispanics tend to live in large cities, mostly in the southwest, while african americans are clustered in the southeast of the country. Asian americans are mostly present in every big city in the USA, but they tend to concentrate in the west part of the country. Finally, Native americans are largely clustered in the southwest and most of the plain states of the country.
I believe they called the slaves negros if I'm correct. I hope this helped
