The telegraph was the most significant change in the 1800's
The telegragraph was invented from the 1830s to the 1860s, it made it so producers and suppliers could communicate with each other."In 1844, morse sent his first telegraph message, from Washington DC to Baltimore, Maryland." ( history.state.gov)"
It was invented to speed up comunication in that time period. It gave great comunication." the telegraph allowed instant communication over vast distances for the first time in human history." ( elon.edu)"
during the time of this invention the printing press was also becoming popular."it laid the ground work for communications revolution that led to those later inventions." (history.com)"
Credits:
Created with images by Nikiko - "window wall old" • tomislavmedak - "Telegraph" • Delwin Steven Campbell - "Letter" • RebeccaPollard - "printing press" • Eric Fischer - "North American detail map of Flickr and Twitter locations" • PDPics - "compass direction magnetic compass"