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

one way archaeology us understand the past is through the material objects it finds, allowing us to know what was being used, and when. for example a dig recently found a flute, believed to be the oldest musical instrument found to date.

i hope this

i do believe that the correct answer is   (technical reasoning); luck

explanation: