Shortly after 9/11/01, even though a bitterly contested election had recently occurred, many Americans put aside their political differences in reaction to the national tragedy that occurred that day, viewing "American" as their primary identity rather than Republican or Democrat. This change is consistent with what the proposes is necessary to reduce prejudice.

Common Ingroup Identity Model

Explanation:common ingroup identity model as a means of reducing intergroup bias. This model proposes that bias can be reduced by factors that transform members' perceptions of group boundaries from “us” and “them” to a more inclusive “we”. From this perspective, several features specified by the contact hypothesis (e.g. co-operative interaction) facilitate more harmonious intergroup interactions, at least in part, because they contribute to the development of a common ingroup identity.

did mary wollstonecraft believe was a natural ingredient for women’s happiness?

so you should go with

a. strong

"harry t. moore (1905-1951) – civil rights activist, leader, and the first martyr of the civil rights movement. fannie lou hamer (1917–1977) – leader in the american civil rights movement; co-founder of the national women's political caucus and freedom democratic party. james farmer (1920–1999) – congress of racial equality."