Answer:
describing complex things in a straight forward way
Explanation:
A) segregate blacks and whites.
It was not quite a 100 years old yet but your close
Hajj unites Muslims because it brings them together to perform an act of worship towards God (Allah). They all perform Hajj to obey Allah and seek forgiveness. Hajj is also performed at a specific time (i.e in the lunar month of Thul-Hijjah) so a lot of Muslims congregate to do this mandatory act of worship.