But the golden decade did not change the Democratic Party's views on Sihanouk, and many activists turned to Cambodia's remote mountainous areas to carry out guerrilla operations, and even later joined the Khmer Rouge. After the assassination of Diem (1901–1963) of South Vietnam by the United States, Sihanouk became even more afraid of the United States. At this time, the United States was fighting fiercely with the Viet Cong next door. Although Sihanouk always claimed that Cambodia was neutral, it was still affected.
After Wu Dinh Diem's death, Sihanouk photo color correction services calculated that North Vietnam would definitely unify South Vietnam, so he first cut off diplomatic relations with the United States, then formed an alliance with North Vietnam, and also allowed North Vietnam to use Westport as a transfer station for materials. Figure 11. Sihanoukville Port Photo Credit: Double-A Sihanoukville However, Sihanouk's switch has drawn opposition from many supporters, including his former political friend Lon Nol. Lon Nol was also born in the Lower Khmer region, and is also a veritable "Khmer Pi Yue Bone", but unlike Shan Yucheng, he very much agreed with the necessity of the monarchy in Cambodia, which also made Sihanouk choose him in the early days.
A close comrade-in-arms, invited him to hold important government and military positions. But when Sihanouk chose to cooperate with North Vietnam and stay away from the United States, Lon Nol did not agree with this policy, and the two sides began to clash violently. Lon Nol's disappointment with Sihanouk made him turn against him. And in 1970, while Sihanouk was on a visit, the new Khmer Republic was established. Cooperation and fate with the "Khmer Rouge", Sihanouk's life hangs by a thread Sihanouk, who had just received the news of the coup d'etat, was very angry, but he would obviously face difficult political issues when he returned to China, so he made a detour to Beijing to ask Zhou Enlai's opinion.