Answer: B. were not completely unified
"Government of the people, by the people, for the people" describes a system of government in which the people ate sovereign. Population, territory, government, and sovereignty are the defining characteristics of a(n) autocracy.
I would go with the last option.
Well you could say Cuba had a dictatorship
It was a protest march where some 250,000 people gathered in front of the Lincoln Memorial for jobs and freedom. The match rallied Americans to to stand up against continuing political and social injustices African Americans faced.