Three decades after its founding, Latin America’s largest trade bloc continues to deal with internal divisions, including over a stalled trade deal with the European Union. New leadership in Argentina and Brazil could shake things up.

Sub-Saharan Africa is home to many of the world’s longest-ruling heads of state. Pro-democracy advocates have at times successfully stopped presidents from extending their mandates, but the authorita…

The dollar’s role as the primary reserve currency for the global economy allows the United States to borrow money more easily and impose painful financial sanctions. Other countries are beginning to …

The Amazon Rainforest plays a critical role in global climate health, but accelerating deforestation continues to raise alarm. How are the region’s governments responding?

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