It would be the power to "<span>B. make treaties with foreign countries," that is an inherent power of the national government, since it would be nonsensical for the individual states to attempt to do so. </span>
The anwser is:
Dictatorship
governed by a dictator, or supreme leader
Intergrated but uneqaul
After slave labour, americans found itself with a problem of intergrating blacks into the system, but the main headaches after 1920's was the question of equality, that led to emergence of rigorous activism.
The answer is d hope this helps