According to Some Political Scientists,how Do Group Identities Shape the Decision

According to some political scientists,how do group identities shape the decision someone faces when choosing between being a Republican or a Democrat?

A) Group identities shape one's social attitudes, which affect partisanship.
B) Group identities often influence socioeconomic status, which affect partisanship.
C) Group identities affect one's self-esteem, which influence partisanship.
D) Group identities influence a person's trust in government, which affect partisanship.
E) Group identities are important because a person thinks about which demographic groups are associated with each party and picks the party that has more members from the groups with whom he or she identifies.