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.

what are the options?

either b) they were often feared and despised by other native cultures. or

c) their obsession allowed them to coexist with many other native cultures because of their peaceful nature.