Which of the following was not a factor that contributed to the growth of factories in the United States during the industrial revolution?

Industrial Revolution, in modern history, the process of change from an agrarian and handicraft economy to one dominated by industry and machine manufacturing. This process began in Britain in the 18th century and from there spread to other parts of the world. Although used earlier by French writers, the term Industrial Revolution was first popularized by the English economic historian Arnold Toynbee (1852–83) to describe Britain’s economic development from 1760 to 1840. Since Toynbee’s time the term has been more broadly applied.

(d) he had been a leader of the sons of liberty.

there is not all the infomation needed to answer this question.   we need the who was going, or we need to know what islands you are talking about.