Total extermination/genocide of an entire race/culture.
Disease. Disease was a very important factor that led to the collapse of the Inca empire. Smallpox, which was a very dangerous disease back then killed over 200,000 Inca people.
<span>Assuming that this is referring to the same timeline image that was posted before with this question, </span><span>the correct response would be that the development of agriculture led to increases in productivity and civilizations, since the major civilizations of the world all come after this time period. </span>
The Enlightenment influenced the American Revolution in numerous ways, with core Enlightenment ideals including liberty, equality and justice leading the creation of conditions for the American Revolution and the Constitution that followed. Many ideas and concepts, including natural rights, freedom from oppression, and innovative ways of thinking regarding government structure came directly from Enlightenment philosophers, and helped to form firm foundations for colonialism and modern day America.