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

The federal agency has a broad mandate to protect Americans’ health and an expansive global reach. But the COVID-19 pandemic has been one of its most daunting challenges.

Deployed around the world, the armed forces are a pillar of U.S. power and influence abroad. But many civilians are unfamiliar with their composition. How much does the military resemble U.S. society…

South Africa in the post-apartheid period has registered steady growth, but mounting problems over inequality threaten the continent’s economic engine.