Which Heading Best Completes the Partially Outlined History of North America?

The partial outline below relates to the European settlement of North America. In this period, Europeans start establishing colonies, enslaved Africans arrive, and foods from the Americas are introduced to Europe. In addition, colonial farmers began settling near oceans, where they were subsidized by local governments. The advantages of settling near oceans were that there was little need to clear rocks or trees, and transportation of products was easier. The answer depends on how much you know about social studies and the chart.