The purpose of the nuclear non-proliferation treaty is to stop the spread of nuclear weapons.
a. true
b. false

This is true!

Non-proliferation means the opposite of proliferation, that is the oppositite of multiplication: it means that there should not be an increase in the number of nuclear weapons. 

This treaty was signed in 1968.

Sasuke was obssed by naruto being powerful so he wants to be more powerful. and at killed hi own brother and became rouge ninja