The process of one branch of government overseeing other branches of government is known as checks and balances.
The executive branch can check over the legislative branch by proposing legislation, creating an annual budget, can call special sessions of Congress, and lastly the executive branch can veto any legislation.
The executive branch can check over the judicial branch by simply looking at the appointment of federal judges and justices for the judicial branch.The President in the executive branch can veto a law.
Appoint federal posts, such as members of government agencies
Executive over the judicial branch. The president appoints all federal judges. legislative branch must approve appointments that the president makes;