What I cited is the basis for US policy from Johnson and even back to Truman to the present. And it is the same international law, the Geneva Conventions that were put in place, largely by US and Allied diplomacy after WW II. What you claim may become part of Israel legally only when there is an internationally recognized settlement, negotiated with the Palestinians that recongnizes their right to their country and it boundaries as well as Israel's boundaries. It is a Legal AND political issue.
Police officer killed, 13 people wounded in car bomb in Turkey's Gaziantep, official says (Reuters)
from the article: Incitement Day in Jerusalem