People Who Grew Up in the Western Part of Aquilonia

People who grew up in the western part of Aquilonia have an accent distinct from people who grew up in the eastern part of the country.People from the west also receive lower wages than people from the east.From this information alone,we can conclude that it is possible that

A) discrimination against people from the west exists.
B) discrimination against people from the east exists.
C) no discrimination exists.
D) All of the above are correct.