Final answer:
The most important resources to the Powhatan and Tlingit tribes were trees and fish.
Step-by-step explanation:
The most important resources to the Powhatan and Tlingit tribes were trees and fish. The Powhatan tribe, located in the Chesapeake Bay region of what is now Virginia, heavily relied on the vast forests for timber and used canoes made from trees for transportation and fishing. They also relied on fish, especially salmon, as a staple food source. Fish were so abundant in the region that they could be easily captured with traps or spears.