Why did tea destined for New York and
Philadelphia return to England?

Public protest of the Tea Act grew quickly through the colonies. Fearing a revolt, several ships carrying tea destined for New York and Philadelphia returned to England without unloading tea. As a result of the Boston Tea Party, Parliament passed the following laws designed to punish the Americans.

Explanation:

b.   jim crow laws were enacted in northern states.

answer; the period of time known as the middle ages;