As the mayor he cannot ban the sales. His main power as mayor is picking the staff for city agencies. NYC’s prosecuting offices only have standing to enforce municipal law, not international law. City laws are made by the city council, not the mayor. The mayor cannot change city laws. The mayor, does not have the power to ban land sales.

He was elected to be the mayor, and you’re criticizing the mayor for being a mayor instead of a dictator delete your account.