Mapping Global Strategic Stability in the Twenty-First Century

... under U.S. President Ronald Reagan’s Strategic Defense Initiative (SDI) program. On the other hand, U.S.-Soviet arms control negotiations, started in the late 1960s, and the agreements they produced created a degree of reassurance. The key features of Cold War–era strategic stability included: - a bipolar global system with just two major adversaries; - mutual expectations that any war between the two superpowers would go nuclear, and rise to the strategic level; - a degree of confidence that the prospect of mutually ...