What is the most valuable resource of Jamestown?

Probably one of the most important contributions to colonial food was the adoption of Native American agricultural practice and crops, chiefly corn and tobacco. Tobacco was a valuable export and corn, debatably the most important crop in colonial America, was used to feed both people and livestock.

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers

the hyksos invasion. the hyksos were able to attack egypt successfully because of their skills in using bronze weapons, composite bows and the use of the horse and chariot during the invasion. although the egyptians depict a barbarian-type overthrow, the truth is the seizure was likely a relatively peaceful one.