there was no right of conquest by Israel. This only applies eg; iraq attacked kuwait. As Israeli was the defender any land claimed is legal. not only that the land belongs to Israel under the legal League of Nations Mandate. The illegal occupiers of Judah, Sameria and Gaza was the arab loosers in 1967. Therefore Israel does not need to annex what is it's.
Donald Trump: Israeli settlement construction in West Bank should 'keep going' (Haaretz)