What Was the General Goal of Imperial Powers, Such as Great

What was the general goal of imperial powers, such as Great Britain, in the late nineteenth century?

A) to create an integrated, competitive global economy
B) to monopolize as large a proportion as possible of the finite global supply of gold
C) to profit by instructing other regions of the world in industrial production methods
D) to force their colonies to buy their manufactured goods while exporting staple commodities