Like all other places, Africa has a more nuanced history than what people previously have believed. The continent was not devoid of technology before the advent of colonialism, as there were pockets of inventiveness and small-scale manufacturing.
Free consumers and business owners always seek to cooperate in the marketplace. After all, "suppose there were no coming together, each individual dependent solely on his or her own thoughts and productivity…. All would starve!"
A capitalist never chooses that investment in which, according to his understanding of the future, the danger of losing his input is smallest. He chooses that investment in which he expects to make the highest possible profits.