Which system of government divides power between the central government and sub-national politician units

Later in the federalist, no. 84, hamilton says, “here, in strictness, the people surrender nothing, and as they retain everything, they have no need of particular reservations.” hamilton believed that the new constitution would

What enabled the drastic increase in us troop development to vietnam between 1964 and 1965?

Approximately how many americans, from both the north and the south, were killed in battle during the civil war?