Courts
Courts
Courts
Courts
Courts
Cabinet members - WRONG ANSWER
The judicial branch is the main actor that decides whether or not an action of the government is unconstitutional. However, technically the President can decide not to enforce parts of a law Congress passes on the basis of unconstitutionality through constitutional signing statements.
Judicial Review
Supreme Court
Violated is a verb. It describes an action.
they decided to do the constitution
supreme court [ us ]
Judicial review is the power to declare a government action that violates some provisions of the constitution to be null and void. This is as a result of the action being in contravention with the provisions of the constitution.