What Samuel F. B. Morse invented revolutionized communications. It was the telegraph.
Yes indeed, it was Samuel Morse (1791- 1872) who invented the telegraph and enhanced communication between towns and cities. Morse also developed a code system to transmit information that has his name: the Morse code. The first transmission was in 1844 when Morse sent a telegraph message to Baltimore. He was in Washington D.C. This invention and the long system of cables throughout the nation and across the Atlantic Ocean allowed the following inventions such as the telephone.
The Progressive Era is considered from 1890 to 1920. The major role of the United States in global affairs during this period of time was its involvement in the war.
The military affairs of that time included the war with Spain, the war to conquer the Philippines and the entry into the First World W
