Rockefeller3.Beginning with a small oil refinery, this man‘s Standard Oil began to put competitors out of business.
The administration sought to reduce tensions with the USSR/Soviet Union, China and Latin America
Dominate trade in atlantic basin
The southern economy was primarily agrarian (farms) while the north was heavily industrialized.
At the time of the arrival of Europeans, the indigenous population was estimated to be just below 40 million people. After the contact with European diseases it is said to be significantly reduced and estimates suggest that in 1650 this population could be around 8-9 million people. (this is just an estimate, but it's the best from all the offered answers).
