The internet and the World Wide Web were results of years of research by Pioneers such as Ray Tomlinson, Vincent Cerf, Vannevar Bush, Doug Engelbart, and Marc Andreessen. write about their major contributions to the development of these Technologies and proximately one paragraph for each person. Please help!! ;^;♡​

The Internet began as a US Department of Defense network named Advanced Research Project Agency Network (ARPANET) funded by the Advanced Research Project Agency (ARPA, later DARPA). In the 1970s, universities and other educational institutions began sharing this technology. The network grew as more and more users began sharing information.However, the information being shared on this network was very limited because of its government ties. The ARPANET was decommissioned in 1990. This move was followed by the commercialization of the Internet, which allowed it to carry business and personal traffic.

Explanation:

brought all tribes under one rule, created first mongol written language, legal code, strong conquest

i think the answer is a or d