20. who trained the american troops?

a. ben franklin
b. thomas jefferson
c. baron von steuben
d. jean-jacques rousseau

The American troops were trained by ‘Baron von Steuben’

Option: c

Explanations:

Friedrich Wilhelm Rudolf Gerhard August, better known as ‘Baron von Steuben’ was a ‘Prussian military’ officer who trained the American troops for the revolutionary war. In 1778, he arrived at General ‘George Washington’s’ camp situated at Valley Forge and started training the troops in close-order drill.  He injected new confidence into the notorious American soldiers and disciplined the demoralized Continental Army to fight the battle with utmost discipline and seriousness in the upcoming war i.e., The Revolutionary War.

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it should be d or b but i'm sure it's d