Khalid, Iran doesn't want a deterrent, it wants to wipe Israel off the map (its President admitted this publicly), fund the terror group Hezbollah and support terror in Syria. This is Agression, with a capital "A." As for the Palestinians, they are led by a terror entity that supports genocide against Jews (as described in their charter). Again, this is aggression, not defense. As for your comments about supporting Palestinian THEFT of a nuclear bomb, why am I not surprised?
UN chief condemns Palestinian toddler killing, urges calm (Reuters)
from the article: A new nuclear age