How did darwin's voyage him develop his theory of natural selection?

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.

answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.