The physical geography of Vietnam played an instrumental role during the war as the terrain and climate offered many challenges to the American forces.
Explanation:
Vietnam is part of the Indochinese Peninsula which stretches 1,650 meters from north to south. ... The country is very hilly as only 20% of Vietnam is level land.
One was to make Missouri part of the union as a slave state. The second was to add Maine to the union as a free state. The third was to mark an imaginary line across the Louisiana purchase and declared any state north of it a free state.
The marginal cost is not being able to watch TV for 6 hours.
Explanation:
The marginal cost is the change in cost when you produce an additional unit of a good. In this case, is what you give up to get a better grade, which is 6 hours of watching TV.