A although Brasilia has encouraged many Brazilians to move inland, most of its population still lives along the coast.
B the creation of Mercosur allowed Brazil to move a large part of its troops to more troublesome regions like the Amazon.
C in spite of the Mercosur, Argentina is still viewed as a strategic threat to Brazil.
D Paraguay has always been a threat to the democracy in South America.
E the sudden agricultural boom of the state of Mato Grosso has contributed to a more balanced demographic distribution.