I believe the answer would be cotton gin because the invention of the cotton gin was able to become more efficient in harvesting cotton.
It has congress & the senate in it together to pass laws. Like, a bill comes from congress and congess then passes it on to the senate. The senate could deny the bill if the less majority rules in the senete, it is gone if more than it goes on to the president which is the exective branch he can veto (reject) the bill or it could turn into a law. I hope this helps XD.
Answer:
But once he did, things would never be the same. ... Islam spread throughout the Middle East and into Europe until 732. Soon thereafter, European Christians began the Crusades, a campaign of violence against Muslims ... 800 years of violence and expulsion of Muslims from the Iberian Peninsula after the failed Crusades.
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Answer:
What did most Americans understand before their country entered World War I? the Triple Entente and the Triple Alliance.
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