According to the principle of checks and balances each branch of the government must have

The answer that completes the statement above is this: CONTROL OVER THE OTHER BRANCHES. So in every brach of the government based on the articles of the Constitution, each is responsible for one of the each types of checks and balances. In general, each branch of the government (executive, judicial, and legislative) has their responsibilities being influenced by one another and they have the right to block or stop whatever procedures of the other branches.