In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

In its .........(1)........phase, the big telco monopolies tried to levy a "tax" on all Internet content .........(2)......... The Internet companies were then the new kids on the .................(3).................. They and the Internet user community fought back such attempts. This was the first net neutrality war, and it ........(4).........the principle of .......(5)..........on the Internet between different types of content or sites.