Who is credited with inventing the electromagnetic telegraph, revolutionizing long-distance communication? Samuel Morse Alexander Graham Bell Thomas Edison Nikola Tesla None In which year did Samuel Morse send the first successful telegraph message, marking a historic moment in communication? 1820 1844 1860 1888 None Which company played a significant role in the expansion of telegraph networks across the United States during the 19th century? IBM Western Union Verizon AT&T None What technology was developed alongside the telegraph to amplify and extend the range of communication signals? Steam power Optical telegraph Telephone Semaphore system None Which undersea cable completed in 1866 connected Europe and North America, enabling transatlantic telegraph communication? Pacific Cable Atlantic Link Transoceanic Telegraph The Great Eastern Cable None Time's up