Final answer:
The Constitution, completed in 1787, granted the national government broad powers over taxation, military defense, and commerce.
Step-by-step explanation:
The Constitution, as completed on September 17, 1787, gave the national government broad powers over taxation, military defense, and commerce. The enumerated powers of the national legislature are found in Article I, Section 8, which define the jurisdictional boundaries within which the federal government has authority. These powers include the ability to tax, regulate interstate and foreign commerce, and protect property rights, among others.