What is the main function of the judicial branch?

The main function of the judicial branch is to review laws. This role is crucial in interpreting the Constitution and ensuring that laws passed by the legislative branch and actions taken by the executive branch comply with constitutional standards. Through judicial review, courts have the authority to invalidate laws and executive actions that they find unconstitutional, thereby protecting citizens' rights and maintaining the rule of law.

This function is distinct from the other branches of government. The legislative branch is responsible for creating legislation, and the executive branch is tasked with enforcing laws. Additionally, the judicial branch does not have a direct role in advising the President, which is an executive function. The focus of the judiciary on interpreting and applying the law helps to uphold the principles upon which the legal system and democracy are founded.