The Industrial Revolution gave the poorer section off the middle class jobs and money to feed their families. The Industrial Revolution basically started up the working class, and gave them a purpose.The working class clearly suffered from the Industrial Revolution. They had to live in poor and crowded houses, with the threat of diseases. Most of them didn't have a lot to eat and many starved to death. Whole families had to work and members were separated.
The middle colonies had a lot of fertile soil which allowed for wheat and corn to become major trading resources. They also had rice, tobacco, and cotton.
"They resulted in military victory over Islamic society" was technically not one of the ways in which the Crusades benefited European society, since this conquest had no major positive repercussions.
