The Inca expanded the amount of arable land available in their mountainous home regions by:
A) their construction of chinampas
B) using organic trash as land fill in the swampy lowlands
C) constructing terraces that produced horizontal soil surfaces in the form of steps up the steep slopes of mountains and ridges
D) planting crops that thrived in the salt marshes that were otherwise not productive agriculturally

Question

Quizplus · Accepted Answer

The Inca constructed terraces on the slopes of the mountains and ridges to increase the amount of arable land available in their mountainous home regions. These terraces provided horizontal soil surfaces in the form of steps up the steep slopes of mountains and ridges, allowing them to grow crops in an area where it would be otherwise impossible.

The Inca Expanded the Amount of Arable Land Available in Their