1. Europeans sought to establish colonies in America for economic and strategic reasons such as expanding their empires, pursuing wealth from trade and natural resources, and establishing a route to Asia. 2. Early European explorers like the Vikings and Columbus made mistakes in their assumptions about North America's geography that delayed further exploration and colonization for centuries. 3. Competition between European powers and new ambitions of monarchs in the 15th-16th centuries spurred renewed exploration across the Atlantic to America, with differing priorities of seeking wealth, spreading religion, and asserting territorial claims.