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Massachusetts and Rhode Island
most of Massachusetts and Rhode Island become urbanized -
transcontenental railroad
a railroad was built conecting cost to coast -
New York
most of New york becomes urbanized -
rockefeller oil company
rockefeller oil company was founded -
electric light bulb
electric light bulb was created -
Washington, D.C.
Washington, D.C. is completly urbanized -
Carnegie Steel Company
Carnegie Steel Company first steel plant -
Automobile
Automobile was invented -
The Midwestern and Western United States
most of The Midwestern and Western United States became urbanized -
USA Urbanized
80.7% of United States is urbanized
