What was needed before cities and complex civilizations could develop in the americas? . 1)plenty of land. 2)a surplus of food. 3)a large population. 4)access to precious metals.

"A surplus of food" is the one among the following choices given in the question that was needed before cities and complex civilizations could develop in the Americas. The correct option among all the options that are given in the question is the second option or option "2". I hope the answer helped you.