I know this is late but i think the answer is A
He was a civil rights leader in the 1960s and is best known for his "I Have a Dream" speech during the march on Washington in 1964. On April 4,1968 he was assassinated.
Answer:
Option D
Explanation:
Samuel J. Tilden was born in New York. He was a lawyer, Governor of New York and Democratic presidential candidate in the elections of 1876. He played an important role in reorganizing the democratic party in 1865. and served as party chairman of New York state and dethroned corrupt politicians He was a reformer and efficient administrator.