In the book Milkweed how did the Nazis treat them?

he risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation:

answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.