Kirk's friend luke said that they had seen star trek and kind of liked the show. kirk invited luke to go along with him to a star trek convention. after hanging out with tons of star trek fans at the convention luke exclaimed that he now loved star trek and was going to join a local star trek club. this is likely due to:

a. social loafing
b. social idleness
c. group polarization
d. cognitive dissonance

c. group polarization                                  

Explanation:

Group polarization: In social psychology, the term group polarization is defined as the propensity for a particular group to make extreme decisions as compared to the initial inclination of the members of the given group.

Group Polarization occurs when a group of people talks about some specific ideas and after that, the rest of the people present over their possesses stronger views than before.

In the question above, the statement signifies the group polarization

explanation:

with the profits from the european sales, merchants purchased europe's manufactured  goods, including tools and weapons. then the merchants shipped those manufactured  goods, along with the  american  sugar and rum, to west africa where they were bartered for  slaves.

you answered your own : -/