More than 13,000 Conversos were put on trial during the first 12 years of the Spanish Inquisition. Hoping to eliminate ties between the Jewish community and Conversos, the Jews of Spain were expelled in 1492 ..
A second reason, specifically for using Morse Code during the Second World War, was encoding... Nowadays equipment exists to take an outgoing radio signal and automatically encrypt the data or voices during transmission, this is 'on-line' encryption...
That telegraph allowed users on two ends to send and receive messages. However, it only operated over short distances. By 1844, Morse was able to transmit his first message from Washington, D.C., to Baltimore. Twenty years later, a telegraph line was laid from the United States to Europe under the Atlantic Ocean. Why Samuel Morse Invented the Telegraph