Asked by chance

Which of the following was John Rolfe's chief contribution to Virginia's economy?
A. His innovations in cultivating tobacco
B. His invention of a better way to grow short-staple cotton
C. His innovations in rice cultivation
D. His alliance with the Powhatan through his marriage to Pocahontas
Answered by Ms. Sue
http://www.encyclopediavirginia.org/Rolfe_John_d_1622

Answered by Brett
The Answer is (A)