Because its the biggest country - its almost as big as all the other south American countries put together.
Not sure what you mean, exactly, but Brazil is a country and South America is a continent, and it just so happens that Brazil is inside of the continent of South America!
Brazil is slightly less than half the size of all of South America.
You would find Gaucho residents in South America. They live in Argentina, Southern Brazil, Uruguay, and Paraguay. These people are the equivalent of cowboys in North America.
Most people in Latin America live in urban areas, with cities like Mexico City, Sao Paulo, and Buenos Aires being some of the most populous. Urbanization in the region has increased due to factors like job opportunities, access to services, and infrastructure development.
Horned Toads live in the desert regions of the Southern United States and Mexico.
Of the 355 million people that live in South America, nearly 198,292,000 people live in Brazil, as of December 2013. This population is lower than the previous year by nearly 365,000 people.
According to the 2013 census estimate, the population of Brazil is 201 million people.
Half of them; 415 million
The southern long-nosed armadillo (Dasypus hybridus) is an armadillo species from South America. It is found in Argentina, Brazil, Paraguay and Uruguay.
half; 415
Boa consrictors live in centeral America and are sometimes found in southern U.S.
Spider Monkey's range extends, in the tropical forests of Central and South America, from southern Mexico to Brazil
Mexico and Southern Brazil.