What new innovations changed life in the united states? in years 1776 and 1870.

In the year 17776 and 1870 there were several game changing innovations that changed the life of the people in the United States. This was the time during which railroads were discovered for people to travel faster. Water transport improved due to the invention of steamboats and underwater vessels. The invention of printing press also improved the life of people greatly. Morse code was also discovered which helped in communicating with people living far away. The invention of the Gatling gun also took place during this period.