Brazil is only inhabited by indigenous peoples, especially from the Tupi, and Guarani ethnic groups. Actual completed by the Portuguese and then began a century, with timber extraction of valuable pau-brasil, from which country an attractive name. Brazil is not settled by the Portuguese and Spanish (
as the rest of Central and South America in the New World was because of the Papal Line of Demarcation). After three centuries under the rule of Portugal, Brazil became an independent state on September 7th, 1822. So far, the country's largest and most populous city in South America, but also cope with more than two decades (1964-1988) military intervention in the governance of the country to pursue a democratic decision, while facing the challenge to maintain the company's industrial and agricultural growth and development of the interior.