Which of the following statements about natural resources in the United States is most accurate?

Question

2 points
1'Natural resources such as clothing and cars have been a huge boost to the U.S. economy.
2;U.S. industry and agriculture have prospered because America has many different natural resources.
'The United States has had to import most of its natural resources from other countries.
4;The many agricultural resources of the United States have made up for its lack of other resources.