Which of the Following Is an International Agreement

Multiple Choice

Which of the following is an international agreement?

A) An agreement that is made between at least three states regarding an international subject matter.
B) An agreement that is only between two states,not three or more,relating to an international subject matter.
C) A general and consistent practice by states regardless of whether the practice is accepted as law.
D) A written agreement made between states governed by international law and relating to international subject matter.
E) A general and consistent practice by states that is accepted as law.