How did the development of the world wide web change communication?

a) it opened the door for telephone service over the internet
b) it made the internet widely accessible
c) it brought internet service providers in line with government standards.
d) it provided the first opportunity for international information exchange through the internet.

D) It provided the first opportunity for international information exchange through the internet

Explanation:

The development of the world wide web (www) brought in something unimaginable by the ordinary people, a communication with all of the world in real time. Through the internet, the people got the first opportunity to be able to communicate with people from pretty much every corner of the world. The communication was also not limited to only one way, but it enabled the people to be able to write, to use it as a phone call, to even see the person they are communicating with through the video call.

1. it was caused by feudalism

2. charlemagne used christianity as a major cornerstone for his rule. cloisters were built all over the empire to act as centers for the (re)population of the vast european wilderness.

3. the europeans feared the next raid every time chetak

i'm not so sure about #6. but i hope i you with the first 3.