https://original.antiwar.com/zunes/2019/03/27/us-recognition-of-israels-golan-annexation-a-threat-to-world-order/
"The Trump Administration’s decision to recognize Israel’s illegal annexation of the Golan Heights – Syrian territory seized in the June 1967 war – marks a serious violation of fundamental principles of international law. The inadmissibility of any country expanding its territory by force is a longstanding principle of the international legal order, enshrined in the United Nations Charter, U.N. Security Council resolutions, and repeatedly confirmed by the International Court of Justice.
Following its conquest of the Golan region, Israeli forces drove out most of its residents in what has accurately been called ethnic cleansing. The Druze inhabitants of the five remaining villages suffered under years of Israeli military occupation and largely remain loyal to Syria. Protests immediately broke out following Trump’s announcement. When Israel tried to impose its laws on the region in 1981, the Syrian Druze engaged in a successful nonviolent resistance campaign, blocking Israeli efforts to force them to carry Israeli ID cards, conscript them into the Israeli military, and other efforts to incorporate them into Israel.
In response to Israel’s attempted annexation, the UN Security Council in 1981 unanimously adopted, with the support of the United States, resolution 497, which declared that “the Israeli decision to impose its laws, jurisdiction, and administration in the occupied Syrian Golan Heights is null and void and without international legal effect.”
But the United States blocked any effort to enforce this and related resolutions.
Subsequently, the Israeli government has been building settlements in the fertile highlands and growing Golan’s Jewish population to some 26,000 people, in violation of international law and UN Security Council resolutions, which prohibit occupying powers from settling civilians onto territories seized by military force."