D. Fascist dictators assumed power. (Hitler, mussolini, Franco
<span>We can look at governmental systems as a continuum from a unitary type to a confederacy with federalism sitting in the middle. The unitary government is often described as a centralized government. It is a government in which all powers held by the government belong to a single, central agency. The central government creates local units of government for its own convenience.</span>
The Missouri compromise of 1850 helped balance the number of Free states and Slave states helping it avoid a war however it did not solve the issue of slavery keeping the nation divided.