Although there is no formal provision in the Constitution establishing their use, U. S. Presidents can nevertheless issue which of the selections listed below?

Executive orders

Explanation:

For the purpose of managing the affairs of the nation or country very well, the President is given certain powers or jurisdiction to the president.

Among which is that the U.S. Presidents can nevertheless issue Executive Orders.

This is evident in the Article II, Section I, Clause 1, stated that "The executive Power shall be vested in a President of the United States of America."

Hence, the correct answer is "Executive order."

probably 3 since archeologists and historians don’t understand there writing.