Dr. Martin Luther King Jr. was one of the leaders of the March on Washington for Jobs and Freedom. It took place in Washington, D.C., on August 28, 1963, and about 250,000 people took part. It was the largest demonstration ever seen in the nation's capital.

Which amendment in the Bill of Rights gave Dr. King the right to gather people in Washington that day?
A.
Fifth Amendment
B.
Eighth Amendment
C.
Sixth Amendment
D.
First Amendment