How Did Theodore Roosevelt Deal with the Valor That Black

How did Theodore Roosevelt deal with the valor that black soldiers demonstrated during the risky charge up Kettle Hill?

A) He popularized the story of his black "Rough Riders" which helped break racial stereotypes.
B) The military action changed his outlook on race, and Roosevelt became the first president to seriously include African-Americans in his administration.
C) Although he initially acknowledged their courage, he later discounted their contributions.
D) He angrily denied that African-Americans had played any role in his unit, and he became an even more virulent segregationist after the war.