Which Is an Example of Interstate War

Multiple Choice

Which is an example of interstate war?

A) A government committing acts of genocide against an ethnic group,where several thousand civilians are killed
B) A government fighting a well-armed rebel group within its territory,where several thousand soldiers have died on the battlefield
C) Two governments fighting each other,where several thousand soldiers have died on the battlefield
D) A government engaged in counterinsurgency activity against an international group that employs terrorism,in which several thousand people on both sides of the conflict have died