Were regions of china in which britain, france, germany, japan, and russia dominated trade and investment.

Spheres of Influence, is the right answer.

Explanation:

In reference to International politics, Sphere of influence is the claim by a state to independent or supervisory command over a foreign territory. In simple terms, it is a spatial notion or region division over which a state or institution has a kind of economic, political, cultural or military exclusivity. The level of control exercised by the foreign authority generally depends on the value of the military unit included in the interaction of two countries.