1778-1825) William McIntosh was a controversial chief of the Lower Creeks in early-nineteenth-century Georgia. His general support of the United States and its efforts to obtain cessions of Creek territory alienated him from many Creeks who opposed white encroachment on indianland.
One of the main causes was the rise of the Nazi party in Germany. Other considerable causes could be issues from past wars such as WW1. The effects were from the Cold War. There was a lot to break down. Some historians did tons of work to bring you and I this knowledge that's for sure.
Hope this is the answer you were looking for and that it helps. :)
Answer:
Allows some people to dominate others
Explanation:
Traditional the tern race is referred to the human categorization on the basis of the biological traits but recent researches on the genetics show that race is a social construct. The notion of race is developed in the background of European conquest and the concept of race is used to dominate the conquered people. The concept of racial superiority of Europeans was used to dominate the people considered inferior based on their physical traits.