Good luck trying to invite foreign military into our nation. That is an act of war.
Section. 8. The Congress shall have power To lay and collect Taxes, Duties, Imposts and Excises, to pay the Debts and provide for the common Defence and general Welfare of the United States; but all Duties, Imposts and Excises shall be uniform throughout the United States;
To provide for calling forth the Militia to execute the Laws of the Union, suppress Insurrections and repel Invasions;
“Article. II.
INVA’SION, n. s as z. [L. invasio, from invado. See Invade.]
1. A hostile entrance into the possessions of another; particularly, the entrance of a hostile army into a country for the purpose of conquest or plunder, or the attack of a military force. The north of England and south of Scotland were for centuries subject to invasion, each from the other. The invasion of England by William the Norman, was in 1066.
2. An attack on the rights of another; infringement or violation.
3. Attack of a disease; as the invasion of the plague, in Egypt.”
1828 Definition