The best choice would be Eli Whitney
The Plano culture is associated with C. The great Plains
The correct answer is the declaration of independence.
It was mostly written by Jefferson and it pointed out to all the bad things the king has done against the colonies. These things were called grievances, and the grievances are the reason as to why they are breaking away from the empire in order to establish their own country.
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Otto von Bismark united today's Germany!
Before this, a "Germany" didn't exist- it was a collection of smaller states ruled by princes. They were previously united within the Holy Roman Empire, but it was an association of states rather than one country.