lots of things aren't in the constitution genius
it's not a list of government powers, it's a list of limitations on government power.
read your constitution
here
1) Defense, war prosecution, peace, foreign relations, foreign commerce, and interstate commerce;
2) The protection of citizens’ constitutional rights (e.g the right to vote) and ensuring that slavery remains illegal;
3) Establishing federal courts inferior to the SCOTUS;
4) Copyright protection;
5) Coining money;
6) Establishing post offices and post roads;
7) Establishing a national set of universal weights and measures;