How did inventions like the telegraph, steamboat, and railroads affect life in early America?
A Thomas Edison was responsible for each of these new inventions.Thomas Edison was responsible for each of these new inventions.
B These inventions led to increased business productivity and economic growth.These inventions led to increased business productivity and economic growth.
C Inventions like these caused slavery to spread throughout the United States.Inventions like these caused slavery to spread throughout the United States.
D These inventions made it possible for new states like Kansas and Missouri to join the Union.