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John Rolfe held the key ti Jamestown's success. By 1612, Rolfe's new strains of tobacco had been successfully cultivated and exported. Finally, a cash crop to export had been identified, and plantations and new outposts sprung up, initially both upriver and downriver along the navigable portion of the James River, and thereafter along the other rivers and waterways of the area. The settlement at Jamestown could finally be considered permanently establishe

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