2. The French and Indian War began in 1754 and ended with the Treaty of Paris in 1763. The war provided Great Britain enormous territorial gains in North America, but disputes over subsequent frontier policy and paying the war's expenses led to colonial discontent, and ultimately to the American Revolution.
Since the development of industrial society, more and more jobs were replaced by simple machinery and it focus the spread of job availability to only several areas in united States.This caused the decreasing rate of wages or even employment within the u.s society, and the economic pressure eventually lead to class violence