D) world war II
Hope this helped!
Well without full context I would assume Trench Warfare because thats what 3 1/2 of the 4 year wars where full of.
Answer:
Four times
Explanation:
Metcalfe's law was developed by George Gilder and is credited to Robert Metcalfe, inventor of Ethernet (1980). It refers to the increase in the number of contacts and to the importance.
In spite of the fact that even the Internet, as we understand it today, was not present when the legislation was introduced, it talked more about the importance of computers in general. For eg, it would be pointless to own a mere fax machine. One may connect with another person if there are 2 fax machines, and since there are thousands, the computer has some meaning.
