How did the development of the ottoman code of administrative law encourage cultural unity within the empire?

The Ottoman Code provided a well-defined and comprehensive rule. This system bridged differences among the many different social, religious, and legal traditions of the people who lived under Ottoman rule as the law was applied uniformly. This also allowed for unity

the northwest ordinance of 1787 guaranteed basic rights for settlers and banned slavery there.

this is true many people think today that blacks should be slaves also known as rasisim calling them many insults from slavery the idealogy of the south still exsist in some parts but not all