What event ended the vietnam war?

President Ford Declared an End to the War in Vietnam. President Gerald Ford, Secretary of State Henry Kissinger and Vice President Nelson Rockefeller discuss the evacuation of Saigon on April 28, 1975, at the White House.

On April 30, 1975, NVA tanks rolled through the gate of the Presidential Palace in Saigon, effectively ending the war.  

Having rebuilt their forces and upgraded their logistics system, North Vietnamese forces triggered a major offensive in the Central Highlands in March 1975.

Explanation:

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the civil war was a fulfillment and completion of the constitution, not a revolution against it. changes in culture and society surely affected political life. lincoln hoped to bring the north and south together after the war by healing the nationand making people lose their resentment.

hope this you out just took thus test a min go and mad a 100