The woman is Martha Washington, the wife of George Washington which assumed the command of the army in the Winter War at the Valley Forge.
Because George could not return home during the battle he called Martha to join him, but she did not stay inactive she helped other wives that were helping the souldiers in the emcapment offering theirs services cooking, whashing and nursing men.
It declares that all people must stand a fare trial. "Innocent until Proven Guility"
Since Muslims felt that enslaving non Muslim Mandinka was lawful, Mandinka could have well reasoned enslaving Ayuba, a Muslim, would have been just reciprocal and fair (what goes around, comes around).
The marble column's that were used in the creation of Roman and Greek architecture and used in The Pantheon in Rome. Hope this helped!