2: Early Globalization- The Atlantic World, 1492–1650 Last updated Save as PDF Page ID2086 Contributed by Multiple AuthorsUS History at OpenStax CNX 2.1: Portuguese Exploration and Spanish Conquest2.2: Religious Upheavals in the Developing Atlantic World2.3: Challenges to Spain’s Supremacy2.4: New Worlds in the Americas- Labor, Commerce, and the Columbian Exchange