Which invention sailors in the 1400s to venture farther from home?

a) the engine

b) sailing ship

c) the train

d) the rudder

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 system of cooperative federalism emerged, as the powers of the federal government expanded.