The internet was originally created for military purposes.
Why it is true
ARPANET, the precursor to the internet, was developed by the US Department of Defense in the sixties to create a communication network resistant to attacks.
Source: MIT
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.