Answer: Europe has an Christian heritage
The artist who drew the political cartoon of the Brooks-Sumner Affair, supported Sumner in his fight for anti-slavery. The incident between Brooks and Sumner happened during a two day-speech delivered by the latter against slavery. It was in 1856 that a senator from South Carolina named Preston Brooks attacked Massachussetts congressman known as Charles Sumner. The attacked was provoked by the anti-slavery speech delivered by the Congressman that angered Brooks. Brooks' cane in the incident has been broken while Sumner suffered serious illness due to the beating.
The correct answer is option B- a defensive alliance of Greek city-states led by Athens