Which most accurately names a situation in which a country wields power over or has impact on a territory?

The correct answer is sphere of influence

A sphere of influence is an area upon which a nation yields power of another,politically,or has an undue influence.The term gained more use politically during the Berlin Conference when european imperialists decraled territorries in africa as spheres in infleunce in an attempt to avert a crisis in europe over colonies.

cherokee and arikara

by 1880, germany had more rail lines than great britain and russia.