The correct answer is C. Checks and balances. The Checks and balances system is crucial for constitutional and tripartite governments. Since it allows for the different branches of a government (judiciary, executive and legislative power) to share and control their power. It prevents the risk of power centralization and defines the specific duties each branch government has to fulfill.
Cattle Prod is correct I believe.
Capitalism is basically run by the people. There is a government, but they don’t control the people, how they handle their money or run their business.
Whereas..
Communism is a society completely ran by the government. The people get no say.
I believe the awnser is c hope this helps