Yes, exclusively.
The smallest Spanish speaking country in South America is Uruguay.
Brazil. Another answer could be Paraguay, although it does not directly border Uruguay.
Spanish is spoken in Uruguay. If you speak Spanish you will understand the people in Uruguay. There are some local words that may differ from other Spanish speaking countries but they certainly mean no barrier to communication if you speak any other variation of Spanish.
The Spanish speaking country to participate and win the world cup is Uruguay in 1930.
They are all countries in South America. They are all Spanish-speaking countries.
The five Spanish-speaking countries that have reached the FIFA World Cup final are Argentina, Uruguay, Brazil, Spain, and Mexico. Argentina and Uruguay have both won the tournament multiple times, while Spain claimed their first title in 2010. Mexico has reached the quarter-finals but has not made it to the final match. Brazil, though primarily Portuguese-speaking, has a significant Spanish-speaking population and is included here for context.
There are twenty countries in the world that list Spanish as their official language. A few of these countries are Paraguay, Equatorial Guinea, Ecuador, and Uruguay.
The same way you do in English: "Uruguay".
When Spain invaded Uruguay in the 17th Century, they brought the Spanish language with them.
Uruguay is the smallest Spanish-speaking country in South America with a size of 176,215 km². The smallest country in South America is Suriname (163,820 km²), though this country's primary language is Dutch.
Spanish.
Never after Uruguay got its independence (1825) but Spanish did colonize those lands before.