Close, friendly groups usually work well together, but they may face a problem involving an extreme form of conformity called:
a) fundamental attribution error.
b) groupthink.
c) generational identity.
d) self-serving bias.
e) social facilitation.

Group-think

Explanation:

Group thinks is about the group peers that intentionally make an irrational or on an optimal decision that is related to the discouragement or to conform to the dissents. In the group, the group members are to refrain from making any expression about any doubt, suspension The term group-think was introduced by Janis Irvin.  

Thus here in the above context, close friends usually work together but they are not at the level of conformity of the group that is called group thinks.

first of all, it's important to say that the book we shall not be moved, written by joan dash, is about the first strike of women in the united states in the year 1909. the best historical detail to clarify the reader's undertanding is the phrase "general strike". this strike involved women working at a garment factory who decided to protest   long working hours, low wages and brutal conditions. this strike became known as "the new york shirtwaist strike" or "the uprising of the 20,000". the strike mostly involved jewish women who did not speak english or who had a basic knowledge of the english language. finally, the strike went on from november 1909 until february 1910.

answer; reactive is your answer; good luck