The direct effect of the Emancipation Proclamation was the abolition of slavery in the rebelling states. Slavery was basically outlawed in all the states that had seceded from the Union. Although it is a fact that not all the slaves were freed instantly but a large number of slaves did get back their freedom.
How was the Lend-Lease program a significant departure from the policy of neutrality? The program involved the United States in the war by sending munitions and armaments. ... He developed a more limited and strategic policy for the use of American troops.
Probably the main reason Africans, rather than Native Americans, became slaves in America was that D. Africans and Europeans shared immunities to Old World diseases.