Which of these historical developments was most important for establishing the first permanent settlement in Virginia? A. John Rolfe turned tobacco into a cash crop that could sustain the colony. B. John White returned to Roanoke Island from England in 1590 with supplies. C. John White's granddaughter became the first English child to be born in North America. D. John Rolfe formed the House of Burgesses to create a just government that represented the people.