Slave codes were laws that

Slave code, in U.S. history, any of the set of rules based on the concept that slaves were property, not persons. Inherent in the institution of slavery were certain social controls, which slave owners amplified with laws to protect not only the property but also the property owner from the danger of slave violence.

Explanation:

slave code, in U.S. history, any of the set of rules based on the concept that enslaved persons were property, not persons.

Explanation:

states began imposing duties on each other's goods. congress had no way to raise money for an army to expel them.

i believe we're not a republic so that is a hard question