From what I've observed in the economic system of the world, imperialism has been the major aim and objective.
You are not far from the truth buddy "imperialism has been the main aim and objective in the world economy today" whereby some countries with strong military force will now start to extend it power and influence over other countries or territories all because they want to to control their trade , resources and markets all because they are stronger than those countries which is not making to me, I would have love to go deep in explaining things here, but for some reason best known to me I will end it, but those countries who are executing such power and influence over other countries and territories because they are stronger than those countries know themselves.
In some cases, some leaders of assumed weaker countries being haunted by assumed stronger ones because of some crimes is a conspiracy and setup carefully planned by the attacking country to have a reason to conquer and dominate the trades and resources of the latter just as France has been imposing friendship on Burkina Faso but their brave leader has been repelling them and they've even plotted lots of assassination attempts on him but he's escaped until today.