What was the impact of the telegraph line on American society? A It made the need for information to travel across the country by means of human power obsolete.

B It made it easier for businesses to communicate with their suppliers and merchants over long distances, reducing time in which to make business decisions.

C It allowed people to migrate into rural areas.

D Politicians were able to easily communicate with European markets.

It made it easier to communicate across vast distances. Railroads used telegraphs a lot because they needed to be able to communicate instantly between far-flung stations. The telegraph, therefore, allowed railroads to operate more effectively

I think your answer is B.

Explanation:

By transmitting information quickly over long distances, the telegraph facilitated the growth in the railroads, consolidated financial and commodity markets, and reduced information costs within and between firms.