Answer:
Ending slave trade would stop the transportation of slaves but ending slavery itself gives slaves freedom to be there own person. In 1807, the British outlawed the trans-Atlantic slave trade law and in 1833, slavery itself.
I think an untouchable is Dalits.
Joan of Arc was the military leader who defended the city of Orleans against an English siege during the Hundred Years War.
C. Hellenism was brought on by Alexander uniting these three cultures.