Prior to the 1840s, the speed of long-distance communication was mainly limited by what factor?

The availability of paper and ink

The speed of physical transportation

The number of people who could read

The weather conditions during the day

What was the primary way the telegraph changed communication in the United States after its invention?

It made sending physical packages cheaper.

It allowed messages to travel almost instantly over great distances.

It created a new system for transporting goods on rivers.

It improved the quality of ink used in printed newspapers.

Washington, D.C., and Baltimore

It provided a new source of electrical power for their factory machines.

It allowed them to quickly receive news about prices and manage orders from distant cities.

It lowered the cost of shipping manufactured goods across the country.

It made it easier for workers to commute from their homes to the factories.