Who did the turks defeat before constantinople

the question is asking about the things that may have affected and what they effects had on the spanish conquest and settlement of america

explanation:

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.

mprove the economic conditions for farmers