D Question 4 10 pts Roxanne Dunbar-Ortiz's chapter "This Land" argues that the history of the U.S. is a history of settler colonialism. How does she define settler-colonialism? How does she "back up" this argument, and how is it related to the issue of land, territory, and expansion (see pages 3-5)? Edit View Insert Format Tools Table 12pt Paragraph BI U A _ Owords /