Legality
Several issues of legality arise under the Lieberman Plan: the transfer of territory, revoking the citizenship of a people (i.e. the Arabs) - either through transfer of territory or a loyalty oath, and the gaining of new territory (settlement blocs in the West Bank). Timothy Waters writes that the plan can be creatively imagined as a secession - as if Israel was seceding from its present borders to smaller borders where the Jews have a larger majority.
Read more about this topic: Lieberman Plan