What vital means of transportation invented in the 1830s served to whisk wealthy city-dwellers away from their poor neighbors and out into the suburbs and countryside whenever possible?

Trains, steamships, cars and bridges.

Explanation:

All of these means of transportation helped to carry goods from one place to another, allowing people to trade and expand their commerce. They were also a good way to move rapidly from one place to another. This became a huge improvement in order to benefit the nation's economy.

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explanation:

the answer is b: the religion they practice.

here's why:

there were many different native american tribes and those with similar characteristics formed a main tribe or nation. each had its own language, religion and customs.