Expansion of Slavery impacted the lives of already enslaved people, by causing them to continue being abused and held as slaves. The expansion further strengthened the practice of slavery, making it even harder for slaves to escape and causing more people to be enslaved too.
For the question given above, the answer is TRUE. Jim Crow laws made "separate but equal" legal and provided legal oppression of blacks.
<span>After the 1896 Plessy v. Ferguson decision, segregation became even more ensconced through a battery of Southern laws and social customs known as “Jim Crow.” Schools, theaters, restaurants, and transportation cars were segregated. Poll taxes, literacy requirements, and grandfather clauses not only prevented blacks from voting, but also made them ineligible to serve on jury pools or run for office.</span>
It was seen as unconstitutional.
It is the United States "Senate" that limits the president's ability to nominate federal judges, since one of the jobs of the Senate is to "confirm or deny" such appointments.