Vietnam ground combat operations in 1965, and at their peak they numbered more than 500,000. The US also engaged in a sustained aerial bombing campaign. Meanwhile, China and the Soviet Union provided North Vietnam with significant material aid and 15,000 combat advisers. Communist forces supplying the Việt Cộng carried supplies along the Hồ Chí Minh trail, which passed through the Kingdom of Laos. The communists attacked South Vietnamese targets during the 1968 Tết Offensive. Although the campaign failed militarily, it shocked the American establishment, and turned US public opinion against the war. During the offensive, communist troops massacred over 3,000 civilians
1968 in the Vietnam War 1968 in the Vietnam War The year 1968 saw major developments in the Vietnam War. The military operations started with an attack on a US base by the Vietnam People's Army (NVA) and the Viet Cong on January 1, ending a truce declared by the Pope and agreed upon by all sides. At the end of January, the North Vietnamese and the Viet Cong launched the Tet Offensive. Hanoi erred monumentally in its certainty that the offensive would trigger a supportive uprising of the population. NVA and Viet Cong troops throughout the South, from Hue to the Mekong Delta, attacked