The Revolutionary War with Britain after British colonists were already in the US, sent by the British. Basically, they were being taxed on stuff like Molasses and Tea. They didn't want taxation from a country in which they had no representation in government. This was the reason for the Boston Tea Party. Then of course they formed their own independent country once they were free from Britain.
They used dry farming and flood irrigation.
Expanded and easier to live and farm and grow.
Enlightenment thinkers most contributed to the development of which political idea social contract and natural rights.
<h3>What is social contract?</h3>
Social contract can be defined as a form of agreement in which people tend to to forgone their right so as so protect another right they have.
Enlightenment thinkers tend to believe that improving people state of life or well being while they are still alive is the best.
Therefore Enlightenment thinkers most contributed to the development of which political idea social contract and natural rights.
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Civil wars. Probably the most important single cause of Byzantium's collapse was its recurrent debilitating civil wars. Three of the worst periods of civil war and internal infighting took place during Byzantium's decline.