That statement is true
When presidents are elected with popular mandate, it is very easy for the presidents to pass any laws that he/she wants because their sheer popularity would give overwhelming public support that put pressure for the opposition to conform.
Since Kennedy was elected by a slim margin, a large portion of public still oppose his policies during earlier years of his presidency. This make it easy for his opposition to limit his movement so he can't pass the policy that he wants.
<span>that meant he was engaged in interstate commerce.</span>
The correct answer of this question is option C. America's victory at Yorktown helped the Continental Army remove all British barracks from New Jersey. This was the final battle during the American Revolution. The Americans won with the help of the French.