How and Why was the "color line” created in Colonial America?

Pls hurry and help me

Thinking back to previous chapters, analyze america’s policies toward indians from the washington administration to the removal of indians from the southeastern states in the 1830s and early 1840s. what ideas and policies about indians remained the same? which changed? why?

How do private property rights serve as an incentive in a free enterprise economy ?

What were the effects of the great reform act of 1832?