Question

By providing prospective terrorist with electronic chat rooms for interfacing online with others who share their attitudes, the Internet most likely serves as a medium for ____________________.

Answer 1

The answer is: Group polarization

Group polarization refers to the situation when the members of the group are forced to comply to a more extreme action/principles than what they're usually more inclined to do.

Internet servers are often become a good medium for such group polarization because they are unregulated and the members of the group face no opposing views that challenge their group's principles.