Used to view spending and available funding to cover new obligations. It shows. the AFP, Allotment, Commitment, Obligation, Expenses, Disbursement, Available Allotment, and available AFP for budget objects (including Fund, Fund. Center, Commitment Item, Functional Area, and Funded Program).
A landmark case representing one of the earliest examples of the use of the Supremacy Clause is that of McCulloch v. Maryland. In this case, the Supreme Court ruled that the State of Maryland had no legal right to tax the Second Bank of the United States as a Federal entity.
Marbury v. Madison esablished the power of The U.S. Supreme Court (and by extension the federal court system) to review statutes. Before that decision, the supreme court did not exercise it's powers over the executive and legislative branches. All three decisions were made by a supreme court whose chief justice was John Marshall. John Marshall shaped numerous court decisions which cemented the supremacy of federalism over states rights in the early republic.