What two things prevent one branch of government from becoming too powerful?

The two primary mechanisms that prevent one branch of government from becoming too powerful are the system of checks and balances and the separation of powers. The separation of powers divides government responsibilities among the legislative, executive, and judicial branches, ensuring that no single branch has complete control. Checks and balances allow each branch to monitor and limit the actions of the others, providing a system of mutual oversight that helps maintain equilibrium and protect against abuse of power.