A judicial review is a process where courts examine the actions of the executive and legislative branches of government to ensure they comply with the law and the constitution. This process helps protect individual rights and maintain the rule of law by allowing courts to invalidate laws or actions that are deemed unconstitutional. In many countries, including the United States, judicial reviews are a key part of the legal system. They provide a check on government power, ensuring that no branch exceeds its authority. This process is essential for upholding democracy and safeguarding citizens' rights against potential government overreach.