Answer:
The rise of totalitarianism lead to World War II because the leaders of totalitarian countries were empowered to pursue militant goals without opposition within their own countries. Dissent is not tolerated in totalitarian regimes, which means totalitarian governments are not accountable to the people like they would be in a democracy.
Explanation:
The following reasons are put forward for its abrupt end: The neighboring desert encroached on the fertile area and made it infertile. Regular floods destroyed the area. Aryan invaders killed people and destroyed the Indus Valley Civilization.
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They abolished slavery in the year 1807