State one way that the indian removal act of 1830 would affect many native american indians

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.

The revolutions in latin america in the 19th century resulted in political independence from europe the end of slavery in each country the establishment of stable democracies social and economic equality for all

Which best describes how president kennedy apples to the audiences at the beginning of his speech?