Yes, generally the laws in effect before a colony or territory became a US state remained the same after they became US states. Contracts signed before stateho

Yes, generally the laws in effect before a colony or territory became a US state remained the same after they became US states. Contracts signed before statehood remained valid after. Property deeds remained valid. The criminal laws remained in effect. And so on, at least until amended by the new state legislature. Doing anything else would just be chaos, really. Louisiana is another example; its legal system has a distinctly French character to this day.