One advantage that Europeans had over Africans during the slave trade was

Europeans' conquest of Africa. One overwhelming advantage was the Europeans' technological superiority. The Maxim gun, invented in 1884, was the world's first automatic machine gun. European countries quickly acquired the Maxim, while the resisting Africans were forced to rely on outdated weapons.

richard nixon led the investigation that resulted in alger hiss being convicted of prejury.

-an amendment is proposed.

-two-thirds of congress must approve.

-thee-quarters of states must approve.

-the proposed amendment becomes law.

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