What is the importance of an Executive Order that is signed by a president?
A. It is a law that can be enacted right away by the Office
of the President.
B. They never violate constitutional law.
C. The Supreme Court and Congress cannot challenge
these orders.

Your answer is C

An executive order has the full force and effect of a law enacted by the legislature, except where it is contradicted by other duly passed federal law. Therefore, a President can issue an executive order to bypass Congress’ bureaucracy and advance policy objectives without having to go through the legislative process.

arresting and exicuting citizens

c. troops marched forward in close formation against newer, more accurate weapons