The answer would be The Constitution was written. A constitutional convention is a gathering for the purpose of writing a new constitution or revising an existing constitution. This is were the delegates or members of the consitution are voted.
These things had a tremendous effect on the American public.
The revelation of the Pentagon papers and the events like the Tet Offensive had the negative effect on the US war effort as they turned more and more people against the War in Vietnam. The people after this knew more about the war and knew that things were not as the government portrayed them to be so the people lost faith in the government and wanted the war to be over.
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Slaves would be counted as three-fifths of a person.