How did the railroads affect the relationship between eastern cities and the great plains

How does the concept of competition relate to the arms race between the us and the soviet union during the cold war?

What does the case of mary dyer in 1660 illustrate? a. puritans practiced a fierce rhetoric but were lenient in practice. b. quakers had a tenuous grasp on the social realities of the english colonies. c. quakers were willing to defy authority even at their own personal risk and expense. d. quakers practiced their religion without a church and without clergy.

In what way did expansion and global trade during the 15th to 18th centuries affect the economies of european countries?