Question

Which technological advances made travel and communication across the continent easier?

1) Automobiles and telephones

2) railroads, steamboats, and the telegraph

3) airplanes and radio

4) canals and carrier pigeons

Answer 1

2) railroads, steamboats, and the telegraph

Railroads and steamboats greatly improved long-distance travel and freight movement across the continent, while the telegraph allowed near-instant long-distance communication.