Violence continues to rage more than a decade after the Mexican government launched a war against drug cartels.

Venezuela’s descent into economic and political chaos in recent years is a cautionary tale of the dangerous influence that resource wealth can have on developing countries.

Brazil has long sought a greater role on the world stage, but political upheaval and other enduring challenges have complicated its efforts.

A long-lasting security alliance with the Philippines remains at the heart of U.S. strategy in the Asia-Pacific, a region that includes the disputed South China Sea.