Though President Trump withdrew from the TPP, the remaining members of the trade pact have forged ahead with a new version, leaving the U.S. role in the Asia-Pacific in question.

The alliance with Japan has been the cornerstone of U.S. security policy in East Asia for decades. Now, Japan’s role in global security is growing as challenges from China and North Korea mount.  …

China and Russia have expanded trade and defense ties over the past decade, but they’re not formal allies. Experts say Russia’s war in Ukraine could be a turning point in the relationship.

The most recent crisis in Ukraine has invited closer scrutiny of the European Union’s approach to its Eastern neighbors.

Trade between the world’s two biggest economies has ballooned in recent decades, bringing significant benefits but also perils that have led to calls to rethink the relationship.

The alliance is bolstering its military deterrent in Europe amid Russia’s invasion of Ukraine and has expanded to include Finland and Sweden.