Differences over Taiwan’s status have fueled rising tensions between the island and mainland. Taiwan is the likeliest potential flash point in U.S.-China relations.

For more than two decades, China has developed close economic and security ties with many Latin American countries, including Brazil and Venezuela. But Beijing’s growing sway in the region has raised…

The would-be independent state stands in contrast to Somalia as a place of relative stability, and despite its lack of international recognition, Somaliland continues to push its own foreign policy.

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.  …

The U.S. Navy’s dominance of the world’s oceans has made it an indispensable foreign policy tool and a guarantor of global trade, but a mix of challenges is raising difficult questions about its futu…