How did states and individuals attempt to restrict the rights of African Americans after the Civil War? I really need help please

1. what did john w. mackay and george hearst have in common? 2. how did the speculators price land during the gold rush? at what price was the ophir quoted? 3. there were many drawbacks to industrial mining. name one.

Interest groups are protected by the first amendment guarantees of petition. and what other freedom?

Which of the following best describes the relationship between the united states and south korea today?