(WILL GIVE BRAINLIEST!) Summarize the key developments in the early transportational revolution of the early 1800s.

The two major advances in transportation that took place during the 1800s were the steamboat and the train. In the United States at the beginning of the 1800s, essentially all transportation was either by animal power or by wind power (sails). Other boats could go down rivers, but not back up them.

Explanation:

b). (sounds as the best answer)

c holding free elections