The Bessemer process for making steel was a useful process for turning iron into steel. It decreased the cost and allowed for the mass production of cheap steel.
-Rise of Italian City States/Civic Pride - Cities want to look better than one another, a middle class davelops due to merchants making large sums of money
-New interest/need for new learning and technology
The Middle Colonies were more ethnically diverse than the colonies of New England in large measure because they were more religiously tolerant. ... The colony's land was periodically granted to various proprietors and split into the Province of New York and the Province of Pennsylvania.