I'm guessing but natural recources
President Bush’s popularity soared
The two reasons why Europe colonized the American continent was for freedom from taxes and religious persecution.
Graduated Income Tax is the correct answer.
Many significant reforms took place during the Progressive Era. The Graduated Income Tax was one of them, which was created in order to provide the federal government with another source of income to cover funds that had been lost because of tariff substantial cuts.
I would say Isaac Newton because his branch was basically physics. He was concerned with matter and motion. Also measuring mass of the sun and planets.
