The system of checks and balances were a way to not let any branch get overpowered or in other words, to guard against tyranny by ensuring that no branch would grab too much power.
C. Government manages the economy to prevent economic inequality.
The answer is subconscious. It is because our subconscious is the part of the mind in every individual in which a person is not fully aware of all the things around him or her but in a way these influences other people without knowing it and the defense mechanism are the one responsible for protecting an individual in things that may affect the person without knowing it such as his or her feelings.