Growing crops such as tobacco, cotton, and food crops.
A bond rating is a grade given to bonds that indicates their credit quality. Independent rating services such as Standard & Poor's and Moody's provide these evaluations of a bond issuer's financial strength, or its ability to pay a bond's principal and interest in a timely fashion.
Explanation:
American frontier, in United States history, the advancing border that marked those lands that had been settled by Europeans. It is characterized by the westward movement of European settlers from their original settlements on the Atlantic coast (17th century) to the Far West (19th century).
