[EricE]

The ONLY thing in your list that is the purview of the federal government is defense.

Seriously people, read the freaking constitution. It really isn't that many pages (purposefully!)

[mattkrause]

Infrastructure is clearly in there too.

- "for the Erection of Forts, Magazines, Arsenals, dock-Yards, and other needful Buildings"; - "fix the Standard of Weights and Measures;" - "To establish Post Offices and post Roads"