Which of the following was critical in the development of large ancient civilizations in South America?
a.expertise in hunting and fishing
b.domestication and cultivation of corn
c.trade between different civilizations
d.development of roads and bridges
e.study of mathematics and astronomy
The best answer is D) development of roads and bridges
Due to the difficult geography of the region, civilizations like the Inca Empire owed much of their success to their advanced network of roads and bridges.
