MAP ACTIVITY Map 9.2 Western Expansion and Indian Land Cessions to 1810 By the first decade of the nineteenth century, intense Indian wars had resulted in significant cessions of land to the U.S. government by treaty. READING THE MAP: Locate the Appalachians. The Proclamation Line of 1763 that ran along these mountains forbade colonists to settle west of the line. How well was that purpose met? CONNECTIONS: How much did the population of the United States grow between 1750 and 1790? How did this growth affect western settlement?