The United States of America (Modern World Nations) by Charles F. Gritzner
English | Nov 2007 | ISBN: 0791095118 | 145 Pages | PDF | 5 MB
English | Nov 2007 | ISBN: 0791095118 | 145 Pages | PDF | 5 MB
The United States is the world's third-largest country in terms of both size and population, which is one of the world's most ethnically and socially diverse. It also has the most powerful and technologically advanced economy in the world, and its per-capita income ranks among the world's highest.