Why Is the Effort to Promote Human Rights Uneven

Why is the effort to promote human rights uneven?

A) The International Criminal Court (ICC) is biased about which human rights cases it chooses to enforce.
B) States consistently violate the principle of sovereignty.
C) Human rights violations in one country significantly affect the populations in other countries.
D) There is disagreement about what constitutes a human right.
E) There are fads about which human rights are most important to enforce.