What impact did transportation and communications have on americans

Explanation:

In many ways it greatly revolutionized many aspects of Americana. Due to the speed of deliveries and products many businesses sprouted from nothingness. The same could be said for communication as prior, it would takes weeks to conduct business on he other side of the country but now transactions could be done in minutes. In short, transportation and communication greatly affected the way Americans go about nearly any aspect of life.

im not sure its either a leader of a group of congresspeople or a person from a congressmans district

sorry im not sure

the answer for 3 is b and the answer for 4 is d