The main reason why is because of Global Trade.
A. Miguel de Cervantes wrote Don Quixote.
(In the future you may want to put Q's like this in the 'Spanish' category [or just Google it]. The book Don Quixote is a part of Spanish culture) :)
Brazil's coastline is 7,491 km and Argentina's coastline is 4,989 km. If you subtract, it will be 2,502
D.Vietnam. because of those places named the only place it runs through is Vietnam
Fresh water and salt water together cover 3/4 of the earth's surface.