Which group received the right to vote in 1870 when the 15th amendment was ratified?

What were the 2 main reasons why the chinese came to america ?

In critical thinking, what is the one resource that the human desire never surpasses the available amount? a)drinkable water b) air c) money d) oil

1.who controls fascism government? 2.who controls communism gov? 3. how do they stay in power