Answer:
Guion Stewart Bluford Jr.
Explanation:
(born November 22, 1942) is an American aerospace engineer, retired U.S. Air Force officer and fighter pilot, and former NASA astronaut, who is the first African American and the second person of African descent to go to space.
Answer: The Second Continental Congress.
option 2 is the right answer because it printing a book and the other ones are science
Answer:
B
Explanation: because it means migration
I think, that the answer to why, is that the change in presidencies from republican to democratic (i might be wrong, and it could be democratic to republican) influenced the change slightly because the new party, wanted to focus on different issues such as westward expansion. As to how, it was because the government withdrew all federal troops from the south, so there wasn't anybody to enforce the laws protecting African American rights so the southerners were free to exploit the African Americans to their will.
