What impact did railroads have on cities across the United States at the turn of the 20th century?

Contrast the changes in french government policy during and after

What event ensured england safe passage to colonize north america? a) many englishmen desired more religious freedom than the king allowed.b) england's government decided to take advantage of america's wealth of resources.c) england's defeat of the spanish armada in 1588 opened up the seaways.d) cabot claimed the north atlantic coast for england in 1497.

How did modern american history begin with “contact”?