Which of the following was John Rolfe's chief contribution to Virginia's economy

Question

A. His alliance with the Powhatan through his marriage to Pocahontas
B. His invention of a better way to grow short-staple cotton
C. His innovations in cultivating tobacco
D. His innovations in rice cultivation

Answer 1

http://en.wikipedia.org/wiki/John_Rolfe

Answer 2

C is the best answer