Which of the 18 powers gives Congress the most flexibility to adapt to unforeseen future changes?

yes.

an illinois concealed carry license (ccl) is required to conceal carry a firearm in illinois. the license permits the licensee to carry a concealed loaded or unloaded handgun on his or her person or within a vehicle.

in moral and political philosophy, the social contract is a theory or model that originated during the age of enlightenment and usually concerns the legitimacy of the authority of the state over the individual.

explanation:

answer; a farmer who refuses to fight in his country's army;