Two of the biggest and greatest civilizations in the Americas were the Aztecs and the Incas. These two civilizations were both said to be conquered by the Spanish, but it was not just the Spanish who conquered them. They both also fell from a combination of a weak government, lack of technology, new disease introduced by invaders, and not being prepared for the invasion of their empires. For many centuries the Aztec civilization revolved around …showed first 75 words of 690 total…

…showed last 75 words of 690 total…