6. Young Frenchman who volunteered to serve in the Continental Army without pay and gave them $200,000 to help.

Lafayette

Explanation:

I learned this in history class.

the completion of the erie canal spurred the first great westward movement of american settlers, gave access to the rich land and resources west of the appalachians and made new york the preeminent commercial city in the united states.

a countries leader should be motivated by the common good of the country.