Unitary System
Confederal System
Enumerated Powers
Implied Powers
Delegated Powers
Inherent Powers
Expressed Powers
Concurrent Powers
Elastic Clause
Police Power
Commerce Clause
Dual Federalism
Cooperative Federalism
Picket-Fence Federalism
Categorical Grants
Block Grants
Federal Mandate
Devolution
Full Faith and Credit
Extradition
Regulatory Federalism
Grants in Aid
Fiscal Federalism
10th Amendment
11th Amendment
16th Amendment
Dred Scott v. Sanford