What form of travel greatly with the industrialization of north america in the 1800s? a. sailboats b. airplanes c. railroads d. automobiles

C: Railroads

Railroads helped to transport resources, manufactured goods, and people all over North America, greatly speeding up the industrialization of the entire continent, especially the United States.  Industrialization had only previously existed mostly along coastal cities where materials could quickly be shipped to and from industrial centers.

Ithink it was the jungle