Correct answer choice is :
D) Regulate local National Guard
Explanation:
The National Guard of the United States, part of the stock parts of the United States Armed Forces, is a substitute military force, comprised of National Guard military members or units of each state and the areas of Guam, the Virgin Islands, Puerto Rico, and the District of Columbia, for a total of 54 separate companies. All members of the National Guard of the United States are also members of the army of the United States as defined by 10 U.S.C.