What is separation of powers and why does Montesquieu believe it is necessary in government?

separation of powers is where separate bodies in the government have specific and separate powers. Montesquieu believed this was needed so one body of government does not have all the power.

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.

then its a law the end