The legal concept or theory whereby a court declares a law unconstitutional is commonly called "judicial review." This was not so much established as confirmed by the US Supreme Court case Marbury v. Madison.
The Supreme Court would make that determination.
Judicial Review
judicial review
judial review
judicial review
judicial reveiw go apex kids :)
The Supreme Court declares a federal law unconstitutional.
That the law doesn't follow the constitution.
judial review
That the law doesn't follow the constitution.
If the US Supreme Court declares an Executive Order (Presidential action) unconstitutional, it is checking the Executive Branch.
Checks and balances