Competition among countries will increase in the coming year as major powers and regional aggressors exploit complex global trends while adjusting to new priorities in US foreign policy. The risk of interstate conflict, including among great powers, is higher than at any time since the end of the Cold War. The most immediate threats of regional interstate conflict in the next year come from North Korea and from Saudi-Iranian use of proxies in their rivalry. At the same time, the threat of state and nonstate use of weapons of mass destruction will continue to grow.