The plague was spread because of the poor hygeine back in that time
A. By the Equator.
The ocean's salinity is higher near the equator, as the water is warmer. Higher temperatures evaporate more water, but leave the salt.
All Abrahamic religions accept the tradition that God revealed himself to the patriarch Abraham. All are monotheistic, and conceive God to be a transcendent creator and the source of moral law.
I think it's C i'm sorry if i'm wrong.