Both the congress of racial equality and the student nonviolent coordinating committee

Both the congress of racial equality and the student nonviolent coordinating committee Organized freedom rides in the South.

Back then (even till now) , the southern region of United States tend to have more cases of Racial discrimination. As a form of protest, they organized the freedom rides.

Explanation:

Student Nonviolent Coordinating Committee (SNCC), also named (after 1969) Student National Coordinating Committee, American federal system that performed a pivotal role in the civil rights movement in the 1960s.

Congress of Racial Equality Founded in 1942, its established mission is "to bring on equality for all people despite of race, creed, sex, age, disability, sexual orientation, religion or ethnic background."