Nevertheless, it is believed that the non-importation and associated depression were not only caused by unpopular actions. Meanwhile, creditors and investors demanded their money from colonial importers, who were unable to pay their debts. To raise more money, they did the non-import so that they could sell their shares at higher prices. Other US cities have also implemented similar non-import agreements to oppose unpopular British policies. The use of raw materials, goods produced in the colonies, and the ingenuity of the Yankees were the order of the day. Meanwhile, the American colonies experimented with the idea of being self-sufficient and not relying on the homeland. .