Why did muhammed flee from Mecca to Yathrib

Government powers not provided to the national government in the us constitution but are rather given to the states by the 10th amendment is called?

What was the main argument of plessy in plessy v. ferguson

What was the main point of helen hunt jackson's book, century of dishonor? a.it showed how unfairly american settlers were treated by the us government. b.it proved that american government was not responsive to the will of the people. c.it made the point that free land was no longer available to new settlers out west. d.it outlined the poor treatment of the native americans by the government.