Answer:
to close Boston Harbor
Step-by-step explanation:
In the bill as stated " An act to discontinue, in such manner, and for or such time as are therein mentioned, the landing and discharging, lading or shipping, of goods, wares, and merchandise, at the town, and within the harbor, of Boston, in the province of Massachusetts's Bay, in North America. " Therefor It was created to close the Harbor of Boston.