What were some of the new social opportunities for african americans in the south after the civil war, and how were african americans prevent from taking full advantage of these opportunities?

After slavery finally came to an end the government across the South created black codes. These laws gave certain legal rights to blacks, they were finally given the right to marry, own property, and sue in court, but the Codes  made it illegal for blacks to serve on juries, go against whites. The black codes basically made everything harder for African Americans.

worcester v. georgia, legal case in which the u.s. supreme court on march 3, 1832, held (5–1) that the states did not have the right to impose regulations on native american land. andrew jackson refused to enforce the ruling, the decision form the basis for most subsequent indian law in the united states.

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.