During the "Freedom Summer" of 1964

During the "Freedom Summer" of 1964,

A) the FBI gathered information for Johnson to use to discredit southern segregationists.
B) civil rights legislation was included in the Republican Party platform.
C) Lyndon Johnson used his influence to support the dissident "Freedom Democratic Party" at the Democratic Convention.
D) students marched on Washington to protest the Vietnam War.
E) almost a thousand volunteers from various states helped register black voters in Mississippi.