Why did the population of the great plains increase

⊂∫⊃ farming

the soil made it hard to start farming, they couldnt afford equipment, and there were not enough workers.

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.

a. men

and during later times male slaves as well