Answer:
Legislative, Executive and Judicial powers
Explanation:
The separation of the three power branches (Legislative, Executive and Judicial) arises as a political doctrine proposed by Montesquieu. The US use, then, the system known as checks and balances, which structures each of the three powers into their respective duties.
Answer:
Arrested, tried and convicted in New Orleans of a violation of one of Louisiana's racial segregation laws, he appealed through Louisiana state courts to the U.S. Supreme Court and lost. The resulting "separate but equal" decision against him had wide consequences for civil rights in the United States.
Explanation:
The north they had more supplies than the south