Answer: Level 5: Social Contract
Step-by-step explanation:
Stage 5 ( Social Contract) of Lawrence Kohlberg respondents basically believe that a good society is best conceived as a social contract into which people freely enter to work toward the benefit of all, They recognize that different social groups within a society will have different values, but they believe that all rational people would agree on two points. Therefore, Katherine may feel jealousy and envy towards Sally now but she knows everyone is equal. P.S; I hope this helped you ;)