Answer:
the passage of the Sixteenth Amendment
Explanation:
Answer:
Manifest Destiny must be.
Explanation:
Answer: black
Explanation: they were black and most of the South America counted on them to do the work.
hope that helped
Some causes and effects of European exploration is:
1. They brought diseases to the U.S and Africa which effected those people and causing them to die
2. They found Africans and wanted their gold and money which effected them to start the American slave trade
And many other reasons....