Nuclear Arms Control in India and the ABM Treaty

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…the world, and both had sufficient second-strike capabilities. Either side was afraid to launch because they knew the other side could easily respond. The United States wants to keep this delicate balance. They want to help Russia build its own ABM system to compete with the U.S. system. If the United States is the only one with the ABM system, the balance is thrown, but if both sides are protected the balance is restored.