Amedium is a tool that is used to:
a) communicate information or ideas
b) connect independent ideas together
c) bring many people's ideas together
d) measure important information

The answer you are looking for is C

Explanation:

Bring many peoples ideas together

evertheless he ought to be slow to believe and to act, nor should he himself show fear, but proceed in a temperate manner with prudence and humanity, so that too much confidence may not make him incautious and too much distrust render him intolerable.

explanation: