This comprehensive encyclopedia covers the reciprocal effects that the politics, foreign policy, and culture of Spain, Portugal, and the American nations have had on one another since the time of Columbus. * More than 400 cross-referenced entries covering events and themes as diverse as the impact in Iberia of foodstuffs introduced from the New World, such as tomatoes and potatoes, and U.S. policy toward Spain and Portugal during the Cold War * An extensive bibliography listing sources ranging from archival letters to the most recent scholarship from the Americas, Spain, and Portugal