Name one obstacle the Incan Empire faced. Explain *

Agriculture was extremely difficult for the Incan Empire. The steep hills of the mountains restricted the quantity of fertile land that could be applied for farming. It was also tough to find water for the crops. To resolve this problem, the Inca used a method known as terrace farming.

answer; i believe the answer is 80%, plz check first good luck;

in about winter like late november to january