Israel's governement rejected the counsel of its top legal advisor in 1967 advising against Jewish settlement of the Occupied Territories as violation of international law. UN Charter, 4th Geneva Convention abolish war as a means of territorial expansion: ?The evidence strongly suggests that Israel is determined to create facts on the ground amounting to de facto annexation. Annexation of this kind, known as conquest in international law, is prohibited by the Charter of the United Nations and the Fourth Geneva Convention,? he adds, calling for it to be condemned as unlawful annexation. http://www.un.org/apps/news/story.asp?NewsID=8409&Cr=middle&Cr1=east See also "Defending the West" by James Gow, 2005, pg. 50 in Google books. Google "territorial expansion" with "United Nations".
from the article: Egypt media group agrees on massive Israel boycott