The United States of America is the richest and most powerful nation in the world. Canada is even bigger. In fact, it is the second largest country in the world, but it has a population of just 28 million.
Agriculture is heavily mechanized and produces surpluses for export.
Main crops are maize, wheat, soya beans, cotton. It is the world's second largest timber producer. The USA manufactures just about everything, in huge quantities, from iron and steel to computers. Cars remain very important. Government The USA is the world's oldest democratic republic and is governed by a president, two Houses of Congress and the Judiciary, in accordance with the Constitution of 1788.