The text suggests that the extremism of terrorist organizations, such as those involved in the September 11th attacks on the United States, is very likely the result of the naturally occurring process of

a. group polarization.
b. pluralistic ignorance.
c. social loafing.
d. social facilitation.

Which answer best describes the main purpose of the monroe doctrine? a to establish fixed borders in the western territories b to keep europe from further colonizing the western hemisphere c to limit the ability of the free states to protect runaway slaves d to promote settlement of the louisiana purchase