US pioneers trusted that Iranian patriots were too inviting with communists; in this way, the United States reestablished the previous ruler's child to control.
After the United States overthrowed President Guzman of Guatemala in the mid 1950s, the new pioneer rapidly turned into a military tyrant.
The separation of powers protects the people from the abuse of control from any of the three branches of the government - the answer is all three of them (the legislative, the judicial, and the executive).
any of the three branches could have the power of sabotaging the work of the other two, so the power of the three branches has to be restricted - they need to be checked by the other two branches.
