This just means that it is the place where patriots started to rebel and take back Boston.
B because steel can be very popular in some countries and businesses people who would want them can buy it. With the plentiful of people, businesses can thrive causing more industries to pick up what others are doing. In a result other industries will copy them and have more big companies.
This sure is a hard question.....
Answer:
The reign of the Hongwu Emperor is notable for his unprecedented political reforms. The emperor abolished the position of chancellor, drastically reduced the role of court eunuchs, and adopted draconian measures to address corruption.