The sharing of power between national and state governments Bill of Rights
the power of the states
separation of
powers
federalism
a condition in which the power of government is divided between the legislative,
executive, and judicial branches
sovereignty
a series of changes, or amendments, to the Constitution

First is federalism. I'll put definitions of the others below if it helps cuz I can't say for sure.

one of the major compromises in the constitutional convention was between the small states and big states. the small states wanted each state to have the same number of representatives in congress. the big states wanted representation based on population.