Answer:
M.Checks and Balances
Explanation:
The doctrine of separation of powers states, the U.S. Constitution distributed the power of the federal government among the three branches, and built a system of checks and balances to ensure that no one branch could overpower another
Letter D is the correct answer.
Also known as the father of modern philosophy, René Descartes was a well-known philosopher, scientist and mathematician from France. He strongly believed in dualism (cartesian or substance dualism). According to him, the mind was distinct from the body and the one that could exert control over the brain through the pineal gland.