What individual paved the way for the development of the black power movement?

The individual paved the way for the development of the black power movement was Martin Luther King, Jr. Hope it helps

checks and balances are needed to keep the government running smoothly, they allow the three branches of government to overrule one another so that one branch of government does not become too powerful.

polling is a process and the outcome is not involved in the process itself.

the outcome, which is an unfavorable rating for a particular candidate is not affected by the mechanical process of polling.

it rather depends on the number of people voting in favor of the candidate.

this is an outcome of people's preferences.