Even though no formal treaty marks the boundary between Country A and Country B, the two states have historically accepted that the midpoint of the deepest part of the river separating them is a valid boundary. This is an example of which source of international law?
A) Custom
B) General principles
C) Natural law
D) Treaties
E) Writings of jurists
Question 2
One of the more environmentally dangerous agricultural approaches to creating new land for farming is
A) clearance.
B) desertification.
C) rechurn.
D) slash-and-burn.
E) sustainability.