How were plebeians and enslaved persons similar in Roman society?
O They were not able to own property.
O They were not educated in the laws.
O They were not allowed to be soldiers
O They were not allowed to become citizens.

Its actually B: they both weren't educated on laws

b.   jim crow laws were enacted in northern states.

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.