Yes they did because of all the money
To me, this quote sounds something like civil rights leader Malcolm X would say, or someone from the Black Panther Party. Malcolm X believed in black supremacy and thought that black people should use any method possible to be equal to whites. The Black Panther Party, however, believed that blacks needed to take control and the would do any means possible to achieve this.
They wanted to gain more wealth in the future profit, therefore the answer is D.
The United States historically had far less imperial actions in comparison to their European counterparts. The United States did not have massive colonial empires like Britain or France. The United States acquired some territories outside of the "continental" US however, it did not maintain an imperial presence like any of its European cohorts.