1.8 Constitutional Interpretations of Federalism

Federalism shifts over time

Federalism — the division of power between national and state governments — has been continuously reinterpreted through Supreme Court cases and policy debates. Grants-in-aid, mandates, and court rulings shape the balance, moving the U.S. between cooperative federalism (national and state governments sharing power/funds) and calls for greater state autonomy.

Key grant types drive relationships

Categorical grants come with strict conditions on how states spend money, giving Congress more control. Block grants provide broader spending discretion, favored by advocates of states' rights. Mandates require states to comply with federal rules; unfunded mandates require action without federal money, straining state budgets and fueling federalism debates.

Landmark cases redefine the balance

*McCulloch v. Maryland* (1819) upheld federal supremacy and implied powers via the Necessary and Proper Clause. *United States v. Lopez* (1995) limited Congress's Commerce Clause power, ruling the Gun-Free School Zones Act unconstitutional, reflecting a modern trend toward strengthening state power (devolution).

Key terms

Categorical grant

Federal funding given to states with specific conditions on how it must be spent.

Block grant

Federal funding given to states with broad discretion over spending, favoring state autonomy.

Unfunded mandate

A federal requirement imposed on states without funding to carry it out.

McCulloch v. Maryland (1819)

Upheld federal supremacy and Congress's implied powers under the Necessary and Proper Clause.

United States v. Lopez (1995)

Limited Congress's Commerce Clause power, striking down the Gun-Free School Zones Act and favoring devolution.

Try an AP-style question

In McCulloch v. Maryland (1819), the Court ruled that…

1. Congress lacks implied powers
2. states may tax federal agencies
3. the national bank was unconstitutional
4. states cannot tax a federal bank