In middle school I learned about imports and exports and, as a suburban kid, I realized that I didn't know anyone who made physical products, and wondered, how can we have nice things without making things in return? Then i found out it was all exploitation and it always has been
One thing that always bothered me was the question why some countries are poor and others rich. The only answer that capitalists give you is that those people are lazy or something along those lines. Imperialism isnt even mentioned as a possibility.