Which were the first and last states to ratify the constitution? (first/last)

Adelaware/rhode island

Bvirginia/new york

Cnew jersey/connecticut

Dpennsylvania/north carolina user: dividing political power between a central authority and other units, like the states in the united states, is the main concept of

Amonarchy.

Bdemocracy.

Cabsolutism.

Dfederalism.