Geography of South America Great American Interchange. The Andes, likewise a comparatively young and seismically restless mountain range, runs down the western edge of the continent; the land to the east of the northern Andes is largely tropical rain forest, the vast Amazon River basin. The continent also contains drier regions such as eastern Patagonia and the extremely arid Atacama desert. The South American continent also includes various islands, most of which belong to countries on the continent. The Caribbean territories are grouped with North America. The South American nations that border the Caribbean Sea—including Colombia, Venezuela, Guyana, Suriname, and French Guiana—are also known
Plantations in the American South slaves to work as household servants.) The 19th-century development of the Deep South for cotton cultivation depended on large tracts of land with much more acreage than was typical of the Chesapeake Bay area, and for labor, planters held dozens, or sometimes hundreds, of slaves. Antebellum architecture can be seen in many extant "plantation houses", the large residences of planters and their families. Over time in each region of the plantation south a regional architecture emerged inspired by those who settled the area. Most early plantation architecture was constructed to mitigate the hot subtropical climate and provide natural cooling. Some