The concept of war crimes in international law a. is no longer accepted. b. became established at the end of world war ii. c. has been firmly established for centuries. d. was established by the u. n. international court of justice

The concept of war crimes in international law became established at the end of World War II. The correct option among all the options that are given in the question is the second option or option "B". I hope that this is the answer that has actually come to your great help.

It would be answer a