Granting titles of nobility is denied to both national and state government. Providing for and supervise schools, establish post offices, and impose duties on imports and exports are proposals or projects that both the national and state government can approve and implement.
Answer:
The U.S. Constitution calls itself the "supreme law of the land." This clause is taken to mean that when state constitutions or laws passed by state legislatures or the national Congress are found to conflict with the federal Constitution, they have no force.
The operation that requires independent actions involving a high degree of professionalism, self-discipline, flexibility, patience, and tact is the peacekeeping operations.
Thus,
the answer that we are looking for is stated clearly and correctly, it is the peacekeeping operations.