I believe the answer is 2. <span>often have drab or dull interactions with others as they tend to have negative attitudes toward others.
To put in in a more simple statement, lonely people cannot Grasp the correct way to establish relationship with other people.
This could happen because of several reason, such as extreme shyness, emotional trauma from the past, difference in intellectual level, etc.</span>
I uploaded the answer to a file hosting. Here's link:
tinyurl.com/wpazsebu
Advantage:
There is the advantage of a wider, international division of labor
Disadvantage:
Decisions are "democratic" and therefore may take longer to reach and more likely to be a compromise
