Brazil officially the Federative Republic of Brazil, is a country in South America. Brazil is crossed by both the Equator and Tropic of Capricorn, and as such is home to a vast array of flora and fauna, natural environments, and extensive natural resources. The Brazilian population is concentrated along the coastline and in a few large urban centers in the interior. While Brazil is one of the most populous nations in the world, population density drops dramatically as one moves inland.
English is the First or Second Language in the world this is the most useful language in the world. English is a major language of international business, diplomacy, and science and the professions.
Spanish could be very valuable for your business, studies or just for travelling. Spanish is the fourth most spoken language in the world. Namely in Central and South America, Spain and in big parts in the USA.