On the particular of abortion, in terms of liberty, the baby's liberty must be considered, not only the mother's.
In the general case of state vs federal sovereignty, state sovereignty is closer to the individual is and more malleable/escapable than a federal sovereign, and is thus preferable (state sovereignty was the original ideal of the United States and the founders go on at length about the benefits of this arrangement.)
In the general case of state vs federal sovereignty, state sovereignty is closer to the individual is and more malleable/escapable than a federal sovereign, and is thus preferable (state sovereignty was the original ideal of the United States and the founders go on at length about the benefits of this arrangement.)