George Washington is the first president of the United States. Then he elected unanimously by the electoral college after leading the continental army from the Revolutionary War.
Answer:
Explanation:
The terraces were built to make the most efficient use of shallow soil and to enable irrigation of crops by allowing runoff to occur through the outlet. The Inca built on these, developing a system of canals, aqueducts, and puquios to direct water through dry land and increase fertility levels and growth.
