They use propaganda because they need support from the populous. If no one supports the war than the soldiers being drafted would tear up their draft cards and mutiny. If they support it however everyone not just the soldiers are doing their best to help their country which makes the government's job easier. Basically they use propaganda so they aren't fighting a war on 2 fronts.
In McCulloch v. Maryland (1819) the Supreme Court ruled that Congress had implied powers under the Necessary and Proper Clause of Article I, Section 8 of the Constitution to create the Second Bank of the United States and that the state of Maryland lacked the power to tax the Bank.
thtas what google says
