I'm not exactly sure, but it sounds like lightbulbs or motors to me.
The correct answer should be by creating a labor shortage that pushed the continent toward a market economy
People started earning a lot more because the competition was reduced and people started to pay more to get things. Peasants started earning more and the economy started growing since there was now fewer people. People who were skilled at things were now a minority.
A Massachusetts boy of liberties... Fundamental orders of Connecticut
The vast majority of them were people ... primarily men ... who hunted and gathered stuff to eat.
