Paris Peace Accords affect the Vietcong as the Vietcong became a legitimate political party.
Option C.
Explanation:
"Agreement Closing War and Preserving Peace in Vietnam" is officially negotiated in Paris by the United States, Viet Cong and North Vietnam.
Thanks to South Vietnam's refusal to acknowledge the Provisional Democratic Government of Viet Cong, all links to this government were found in a two-party interpretation of the contract signed by Vietnam and the USA— a new agreement that didn't refer to the Regime of Vietnam was placed before the South Vietnamese.
This was part of the long-standing reluctance of Saigon to acknowledge Viet Cong as a genuine partner in the war's end negotiations.
