Final answer:
Addams and Ida B. Wells worked to end racial segregation in schools.
Step-by-step explanation:
The correct answer is Option A) Racial segregation. Addams and Ida B. Wells worked to end racial segregation in schools. They were both prominent activists in the fight for civil rights and equality for African Americans in the United States. Ida B. Wells, in particular, was a civil rights leader, teacher, newspaper editor, and international lecturer who dedicated her life to fighting against racial segregation and discrimination.