Answer:
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.
Explanation:
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Answer:
Christopher Columbus was a navigator who explored the Americas under the flag of Spain. Some people think of him as the "discoverer" of America, but this is not strictly true. His voyages across the Atlantic paved the way for European colonization and exploitation of the Americas.
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Killing individuals with undesirable traits could strengthen an overall population. It's basically artificial selection, or man made evolution. Think of breeding dogs, you let the dogs with the most desirable traits breed, while you kill off (or prevent from breeding) the runts.
Politics-
a. The activities or affairs engaged in by a government, politician, or political party, or b. The methods or tactics involved in managing a state or government
Answer:
Isolationism
The United States didn't want any of the other countries communism crossover to the US during world war II.
