Oppression:
"All oppression creates a state of war. "
..... Simone De Beauvoir
"Out in the wide world the realization that everyone in our societies has been forced into operating within both oppressor and oppressed roles is still almost unknown and unfaced."
http://www.american-pictures.com/english/racism/oppression.htm
"Oppression is the negative outcome experienced by people targeted by the arbitrary and cruel exercise of power in a society or social group. "
http://en.wikipedia.org/wiki/Oppression
Systematic oppression:
"The term oppression is primarily used to describe how a certain group is being kept down by unjust use of force, authority, or societal norms. When this is institutionalized formally or informally in a society, it is referred to as "systematic oppression". "
Solutions:
Universal Declaration of Human Rights
bravenet.com