Why did SNCC and CORE send hundreds of volunteers south during the Freedom Summer campaigns?

to challenge Jim Crow laws that kept blacks segregated from whites
to help register hundreds of thousands of black voters in Mississippi
to spread the message of "black power" to young blacks across the South
to protest Johnson's Great Society programs in Alabama

Question

Why did SNCC and CORE send hundreds of volunteers south during the Freedom Summer campaigns?

to challenge Jim Crow laws that kept blacks segregated from whites
to help register hundreds of thousands of black voters in Mississippi
to spread the message of "black power" to young blacks across the South
to protest Johnson's Great Society programs in Alabama

InTheSea · Answer

I'm thinking it is "to help register hundreds of thousands of black voters in Mississippi" @Arcadiouse

Arcadiouse · Answer

Yep!