That’s the Preamble. The actual articles specify enumerated powers the Federal Government can exercise. It forbids the Federal Government from exercising others, espcially in the Bill of Rights. Amendments 9 and 10 reserve those powers not specifically extended to the Federal Government to the states and the people.

If yo want a welfare state why don’t you pass amendments to establish it constitutionally, instead of shredding the Cosntituttion by making the whims of judges and law clerks the law of the land? Answer: because it takes too long dontcherknow, and because confronted with explicit proposals to change America into some unsustainable European tax-hell most people would balk and not support the idea. Liberals can get their ideas enacted only by stealth or by judicial fiat.