Trump is one man. The Death Penalty was illegal back in the '70s. Then it became legal again.
Likely, the same thing will happen again with abortion. There will be a case brought to the SCOTUS because somebody in Alabama did not get her abortion. So the SCOTUS will announce that she will be able to do that because they will bring back Roe vs Wade.
They’ve already ruled that it’s a states rights issue. That’s called precedence.