The Idea of "Responsibility to Protect (R2P)" Is That

The idea of "responsibility to protect (R2P) " is that

A) it is states' responsibility to protect their own citizens,free from external intervention.
B) if states do not protect their own citizens,other states have a responsibility to do something.
C) the international community has primary responsibility to protect people in other countries.
D) military force should always be used to protect people when widespread human rights violations are taking place.