; and (C) the assigning or detailing of members of the Armed Forces to an operation authorized by the United Nations Security Council under chapter VII of the United Nations Charter. (4) United states; country The terms United States and country , when used in a geographic sense, include territories and possessions. 10. Separability clause If any provision of this joint resolution or the application thereof to any person or circumstance is held invalid, the remainder of the joint resolution and the application of such provision to any other person or circumstance shall not be affected thereby. .