How did william penn treatment of native americans differ from the puritans treatment

Why do countries create guidelines and laws on how a country is going to be run?

What might be something all americans believe in that unite us as a nation ?

Plz ! after the first battle of bull run general ivan mc dowell was removed from command of the union army he was replaced by a. general ulysses s. grant. b. general george mcclellan. c. general robert e lee. d. general george meade.