Important and insignificant are opposite. Insignificant means not important, so the correct answer would be B, peaceful.
Important is to insignificant as restless is to peaceful.
It kind of helps people work together, a lot of people tend to slack off more if they can't exactly work together.
1) D , Have competed
2) B , Their
The internet, is the modern medium easily allowing false information and hoaxes to be spread.
