 For the most part, the black individuals who had reservations on various aspects of the movement and ideologies of the activists were not able to make a game-changing dent in their efforts, but the existence of these alternate ideas gave some blacks an outlet to express their concerns about the changing social structure.During the Freedom Summer campaign of 1964, numerous tensions within the civil rights movement came to the forefront.Many blacks in SNCC developed concerns that white activists from the North and West were taking over the movement.