The original US Constitution is explicitly pro-slavery. Not only does it explicitly require non-slaveholding states to return fugitive slaves to their oppressors, but it has multiple mechanisms intended to ensure the dominance of slave states in the federal government.
The Constitution was never a unified idealist vision of liberty. It was a grungy political compromise between factions that did not agree on what the country should be. These included New England Puritans (religious cultists; but abolitionist), New York Dutch bankers (who wanted the money back they'd loaned to the states), Southern planters (patriarchal rapist tyrants), and Mid-Atlantic Quakers (pacifists willing to hold their noses and make peace with the Puritans and planters).
Well no, prostitution is specifically the form of work that involves delivering sexual experiences to clients; just as bricklaying is the form of work that involves installing bricks in an organized fashion onto clients' property. Bricklaying doesn't normally involve sexual experiences, and prostitution doesn't normally involve bricks, but both are work.
Prostitution is also performance work, which is a category that also includes acting, music, and pro wrestling. It is also body work (that is, the worker does something to the client's body); which is a category that also includes massage, surgery, and hairstyling.