If I'm not mistaking it's emphasis but I would get a second opinion
Wait, who lived in that time? The answer could be 'war' but I need more information...
The flying shuttle and the spinning jenny or the cotton gin
Answer:
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.