ответить 1.when did european colonists come to america? 2.did the settlers live in a group of houses? 3.when and how did family farms appear? 4.how do american farmers improve productivity? 5.what kind of farms is the most typical in the usa? 6.the usa is divided into six main regions, isn’t it? name them. 7.what crops are grown in the south? 8.do all states in the usa grow the same crops? what does it depend on? 9.where are dairy farms situated? 10.is agriculture a part of the us economy?

1. Nearly 400 years ago European colonists came to America.
2. Yes, the settlers lived in a group of houses around a central field. 
3.Family farms appeared in 1862 when government gave land away free. A settler had to clear it, build a house and live there for at least five years.
4.They adopted new technologies. Computers helped them improve productivity and cut costs. 
5. The family farms are the most typical kind of farms in the USA
6.The USA is divided into six main regions, isn’t it? Name them.Yes, it is. There are the Northeast region, the Great Lakes region, the South region, The Great Plains region, The Rocky Mountains region,  the Pacific region.
7.Tobacco, cotton, peanuts, citrus fruits, vegetables, soybeans.  
более подробный варинта ответа:  Tobacco grows in Virginia, North Carolina and South Carolina; cotton grows in Arkansas and Mississippi; Peanuts are grown in Georgia and citrus fruits, vegetables in Florida. Soybeans are grown in Arkansas.
8.Do all states in the USA grow the same crops? What does it depend on?Different states in USA grow different crops. It depends on the climate of the state and the quality of the land.
9.Dairy farms are situated in several areas in the Northeast region
10.Yes, agriculture is a part of the US economy