How did inventions like the telegraph, steamboat, and railroads affect life in early America? A) Thomas Edison was responsible f
or each of these new inventions. B) These inventions led to increased business productivity and economic growth. C) Inventions like these caused slavery to spread throughout the United States. Eliminate D) These inventions made it possible for new states like Kansas and Missouri to join the Union.
These inventions revolutionized transportation and communications in the United States in the years before the Civil War and made it much easier for Americans to conduct business. Therefore, the best description of the effect that the telegraph, steamboat, and railroads had on early America is that these inventions led to increased business productivity and economic growth.
