How did sociologist in the United States incorporate race, gender, class, and sexual identity into their ideas throughout the twentieth century?

Incorporate Race

involves recognizing and incorporating racial categories and their implications into analisys or organizational structures, aiming to address racial disparities and inequalities.

Gender

The range of characteristics pertaining to, and differentiating between, masculinity and femininity, often considered as socially constructed roles, behaviors, activities, and attributes that a given society considers appropriate for men and women.

Class

refers to a group of people within society who share similar socio-economic conditions, earning potential, and lifestyle.