The Inca and Aztec empires were heavily impacted by European exploration and colonization. The first impact was that when Europeans reached the Americas, the Incas and Aztecs were conquered which killed thousands of them and enslaved the ones that survived.
The answer in C the Great Wall of China
B. Both emperors improved the Byzantine legal system by organizing laws more clearly. They both was mainly involved.
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These usually result from wind and can travel hundreds of miles before they reach the shore.
Tides
This is a continuous directed movement of ocean water
Ocean Wave
The answer is D. Farming settlements in the Indus Valley River began being established in 4000 BCE.