Explore how presidential systems separate executive and legislative power, giving one elected leader both head-of-state and head-of-government roles. Compare the U.S. model with Latin American and African variants.
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5 countries to study. Click any card to view the full entity profile.
Federal presidential republic and the world's largest economy, with power divided among the presidency, Congress, the states, and the federal courts. U.S. politics is highly polarized, two-party dominated, and globally consequential because decisions made in Washington shape finance, trade, security alliances, technology regulation, and military power far beyond U.S. borders.
Federal presidential republic in South America. Largest country in Latin America with a multi-party presidential system.
Federal presidential constitutional republic in North America. Multi-party system with six-year non-renewable presidential terms.
country in South America
sovereign state in West Africa
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