Answer:
Separation of Powers
Explanation: Separation of Powers The division of state and federal government into three independent branches. The first three articles of the U.S. Constitution call for the powers of the federal government to be divided among three separate branches: the legislative, the executive, and the judiciary branch.
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Eastern Bloc try this for the answer
The Kansas-Nebraska act allowed the people to vote if wanted to allow slavery in those states and this act served to appeal the Missouri Compromise. The Missouri Compromise prohibited slavery in the north. This act was also said to be a failure because it was made to end the conflict over slavery, but resulted in Kansas becoming a "battleground over slavery."