1) In the late 1950s and 1960s, the US government established ARPA (Advanced Research Projects Agency) in response to the Soviet launch of Sputnik. ARPA funded the creation of ARPANET, one of the first wide-area networks connecting government and university sites. 2) ARPANET used new technologies like packet switching and interface message processors to connect different computer networks. It served as the basis for further networking research and the eventual development of the Internet. 3) In the 1970s and 1980s, networking expanded through the development of protocols like TCP and the rise of personal computers and email. The World Wide Web was created in the early 1990s, allowing for easy navigation of online