Are you sure this is school related?
The primary concern that dominated the period of Congressional Reconstruction was how to reintegrate the South into the rest of the country. Another major concern was how to integrate African Americans into southern society.
The final outcome of the Vietnam War was that North and South Vietnam were united under the Communist North in 1975 despite the best efforts of American servicemen who left the area following the Treaty of Paris in 1973.
Immediately affirms that the constitution is of the people, for the people, and by the people of the United States.
It was Britain, France, and Spain that primarily founded settlements in North America, although the Spanish motivation was slightly different than that of Britain and France in that it purely sought to extract gold and other riches from the area.