Answer:
C
Explanation:
Because the Incas lived in the mountains, they had no flat land for farming. They had to build wide step-like areas called terraces for farming. Through terrace farming, the Incas were able to provide for all people in the empire. ... The Incas grew potatoes and other crops that could resist cold nights.
The central government established under the Articles of Confederation had no way to collect taxes t<span>his meant that they had to find other ways to fund the army.
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The answer is Biogeography.