Explain how the “discovery” of “New World” by Europeans led to the enslavement of millions of Africans in America.? PLEASE HELP!

it would have to be gasioline

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.

it foreshadows the theme of the paragraph and hints the topic that will be discussed in the paragraph!