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.

it proved indian land claims were unjustified.