The construction of roads, cities, and canals suggests that the Norte Chico had developed a strong central government. Option A is correct
The Norte Chico civilization constituted a complex Pre-Columbian society with as many as 30 major population centers in what is now the Norte Chico region of north-central coastal Peru. It is the oldest civilization in the Americas, wich existed between the thirtieth century B.C.E. and the eighteenth century B.C.E.
