powers that congress has that are specifically listed in the constitution
a government tax on imports or exports
A tax on the production, sale, or consumption of goods produced within a country such as alcohol, tobacco, and gasoline
congress can establish post offices and routes over which mail can be carried (clause 7)
Protection giving the owner the exclusive right to reproduce or distribute copies of his or her own work.
clause in Article I, Section 8 of the Constitution that gives Congress the right to make all laws "necessary and proper" to carry out the powers expressed in the other clauses of Article I
Powers inferred from the express powers that allow Congress to carry out its functions
The ability of Congress to override a presidential decision. Although the War Powers Resolution asserts this authority, there is reason to believe that, if challenged, the Supreme Court would find the legislative veto in violation of the doctrine of separation of powers.
to bring charges of serious wrongdoing against a public official
a document granting an inventor sole rights to an invention
a tax on imports that Congress had the power to control after the Constitution was put into law. Congress used these imposts to gain money for the government after the US gained its independence