The correct answer is A) the Supreme Court.
The Supreme Court has the power to declare the actions of the Executive and Legislative branches unconstitutional.
The Supreme Court is the most important federal court and has the last word over all laws in the United States. The Supreme Court was established in 1789 by Article 3 of the US Constitution. The US Supreme Court has the power to create other inferior federal courts in America. It is part of the three branches of the United States with the Executive branch, the President of the US, and the legislative branch: the House of Representatives and the Senate. And yes, the Supreme Court has the power to declare the actions of the Executive and Legislative branches unconstitutional.
