The president can veto or stop a bill Congress passes and with enough votes. Congress can override a veto. What concept does this show about the power of each branch of government?

Checks and balances each branch of the government checks each other to keep balance in society

This concept means that each branch of government keeps other branches from getting too much say in a bill trying to become a law. The different branches keep each other from receiving too much power or control over the United States of America.