The quadrennial U.S. presidential nominating conventions are usually dominated by domestic themes. But they have at times been flavored by global economic concerns and national security threats, offe…

Hugo Chávez assumed Venezuela's presidency in 1999 on a populist platform. But critics say three terms under his "socialist revolution" have made the country increasingly resemble an authoritarian st…

The United States' dependence on oil has long influenced its foreign policy. This timeline traces the story of U.S. oil development.

The nuclear arms race was perhaps the most alarming feature of the Cold War competition between the United States and Soviet Union. Over the decades, the two sides signed various arms control agreeme…

Over the course of two hundred years, the United States and Mexico have developed rich diplomatic, economic, and cultural ties but at times clashed over borders, migration, trade, and an escalating d…