original_query: Who were the leaders of the delegations from North Vietnam and the United States during the negotiations in Paris, France?
query: Who were the leaders of the delegations from North Vietnam and the United States during the Paris Peace Accords negotiations?
answer: The North Vietnamese delegation was headed by Xuân Thủy, while the U.S. delegation was initially led by W. Averell Harriman, later replaced by Henry Cabot Lodge Jr. and then David Bruce.