why did the Incas build terraces?
A: to improve travel and communication through the empire
B: to allow them to build homes on the sides of mountains
C: to make it easier to climb high mountains
D: to increase the amount of fertile farmland
A: to improve travel and communication through the empire
B: to allow them to build homes on the sides of mountains
C: to make it easier to climb high mountains
D: to increase the amount of fertile farmland