What disadvantages did Mayan, Aztec, and Incan farmers suffer compared to those in Europe, Asia, and Africa?

d. They had to hand over part of what they grew to the nobility.

a. They had no systems of irrigation.

b. They had very little livestock and no metal tools.

c. There were no merchants to whom they could sell their surplus.

a. They had no systems of irrigation.

b. They had very little livestock and no metal tools.

c. There were no merchants to whom they could sell their surplus.