What is the system by which each branch of the federal government can restrain
behavior in the other branches?

The government structure separates powers from other branches through frames, which gives them the authority of checking and stopping other, branches in a meaningful way from destruction. The president could reject the laws created by the congress if they did bit meet the government standards

The convention of any constitution is based on the framers that debated the issue that led to the division of power between the branches so that every department will carry out the responsibilities cooperatively to accomplish their goals.

the 9th amendment

explanation:

the governor can not veto a referendum that the voters approve