There was no defensive war against the arab states because they simply didn't have any armies to invade with. In 1906 Israel owned about 6% of the land, the rest they took. The International court and the UN have decreed since the beginning that the taking of the land was illegal. It might be interesting to claim otherwise while Israel rampages around killing her neighbours but it is simply a lie.
Israeli PM to Palestinian President Abbas: We must fight terror together (Haaretz)
from the article: The mystery of America