The document summarizes the exploration and colonization of North America by European powers in the 16th-17th centuries. It discusses the Spanish explorers who mapped much of what is now the Southern and Southwestern U.S. It then covers the founding of the New England, Middle, and Southern English colonies in the early 1600s for religious freedom and economic opportunity. The strict religious communities of the New England colonies are contrasted with the more diverse and tolerant societies that emerged in the Middle and Southern colonies.