Most of the people who migrated to the great plains in the late 1800s became railroad workers. shop and factory owners. factory workers. farmers and ranchers.

farmers and ranchers.

Explanation:

post the grid otherwise i cant .

also it sounds like a math question not history.

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.