Which of the following had the most influence in the transition from wandering tribes to the emergence of cities?
a. food
b. trade
c. religion
d. government

How were the okanogan highlands formed? a. by subduction, which caused huge folds in earths surface b. as a result of retreating glaciers carving great valleys into the earth c. when molten rock from under the earth approached the surface d. when the collision of volcanic island chains and ocean rocks formed new earth