Explanation:
NATO (North Atlantic Treaty Organization) is: A military alliance focused on collective defense (Article 5)
Not primarily a disarmament agreement (though it supports arms control)

Disarmament-Related Options:

A. SALT (Strategic Arms Limitation Talks): U.S.-USSR nuclear arms control treaties (1969–1979)

B. NPT (Non-Proliferation Treaty): Aims to prevent nuclear weapons spread (1968)

C. CTBT (Comprehensive Nuclear-Test-Ban Treaty): Bans nuclear test explosions (1996)