<span>"Racism was deeply felt throughout the nation, and the civil rights gains of the Reconstruction period were rolled back by Jim Crow laws."</span>
Earlier Americans felt that Africans were lower than them because they looked different and originated from a different place.
I believe the correct answer is: The theory of universal
gravitation.
The famous anecdote of an apple falling from a tree and
striking the head of the young Sir Isaac Newton which stroke the great idea,
helped him come up with The theory of universal gravitation, as a concept and
ever present force.
Answer:
the second amendment
Explanation:
in the second amendment, it is stated; "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."