Hmmm... good question. Iraq obtained nuclear material and tech from Brazil once before- the Germans arrested a German who was involved in providing iraq with centrifuge enrichment tech and technicians. Also, ...
Mr. da Silva has said Brazil should have nuclear weapons and move closer to China, which has been actively courting the Brazilian military. China has sold Brazil enriched uranium and has invested in the Brazilian aerospace industry, resulting in a joint imagery/reconnaissance satellite....Brazil shares common borders with 10 other countries in South America. This would help da Silva to emulate — as he has said he would — the foreign policy of the pro-Castro and pro-Iraq Chavez regime in Venezuela, which has provided support to the communist narco-terrorist FARC in Colombia as well as other anti-democratic groups in other South American countries. Hugo Chavez worked with Mr. Castro to temporarily destabilize the fragile democracy in Ecuador two years ago. Now both support the radical socialist leader of the cocaine growers, Evo Morales, who hopes to become president of Bolivia this August...
Along with helping the communist guerrillas take power in the embattled democracy in Colombia, a da Silva regime in Brazil would be well situated to aide communists, narco-terrorists and other anti-democratic groups in destabilizing the fragile democracies of Bolivia, Ecuador and Peru, as well as to exploit the deep economic crisis in Argentina and Paraguay.- "Blocking a New Axis of Evil," by Constantine C. Menges, The Washington Times, August 7, 2002
Perhaps instead of directly doing something for Iraq, the loony Marxist group's leadership took the money and used it to pay off, buy votes, or blackmail other people/companies in Brazil who may not be named. Perhaps cincinatus' wife has some insights on this.
How about easy access into USA.
Could be why the Brazilian government is so hostile to the new security measures re photo and fingerprints of those coming in from Brazil.
And maybe this is just one reason, why it was implemented. No doubt there is a whole lot more that is not being shared. . .