It depends what system you are talking about
Explanation:
In the late 1800s, people in many parts of the world decided to leave their homes and immigrate to the United States. Fleeing crop failure, land and job shortages, rising taxes, and famine, many came to the U. S. because it was perceived as the land of economic opportunity.
Because many islamic people moved from middle east into northern africa amd had cultural difusion
Japan bombs Hawaii
I feel like that summarizes it pretty well
Adolf Hitler wanted to create a total superior race of aryan’s so his plan was to get rid of the Jews his method of doing this is called the holocaust which is genocide against inferior races such as the Jews he began by pacing them in horrible cramped barbed wires off places Called ghettos. The final solution for the Jews was to wipe them off the map and get rid of them.
