I just had this question today =D! The answer is A. The port of Boston was closed.
Answer:
I think it's industrialization
Explanation:
meaning: Industrialization is the period of social and economic change that transforms a human group from an agrarian society into an industrial society. This involves an extensive re-organization of an economy for the purpose of manufacturing.
There are so many reasons, high taxes (especially on bread), forced military services, and the power of the higher class
The answer is slavery for sure and possibly economics or poverty
