The Reagan Administration convinced itself that Mr. Doe could provide a strategic bulwark against Communist advance.

Xuan Loc fell on 23 April, and there was now little to prevent or slow the Communist advance on Saigon.

The United States poured millions of dollars into both countries to support center-right parties and conservative unionists, forestalling the Communist advance.

Backstage negotiations had sputtered precariously since late 1968 against a backdrop of Communist military advances in the South and renewed American air raids on North Vietnam.

In the Chinese Civil War, Nationalist forces destroyed 16 bridges on the line to stall the Communist advance on Shanghai in the spring of 1949.

In WestPac for almost three consecutive years, she operated off Vietnam during the Communist advance there in April 1961.

Dixie was the last U.S. vessel to leave China when the Communist advance forced the evacuation of Americans from the mainland.

Communist advances continued into 1972 and encircled Thakhek on the Mekong, and Vientiane.

After the Communist advance, it was impossible to continue as a foreign missionary in China, so she was forced to move in 1951.

In order to halt the Communist advance, Minh and Hollingsworth directed all available tactical support aircraft towards Lộc Ninh.