C. the expansion of Americas across the continent :)
5555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555 Dont no what to call it<span />
Answer:
"His most famous work is his " I Have a Dream" (1963) speech, in which he spoke of his dream of a United States that is void of segregation and racism. King also advocated for nonviolent methods of protest"