Had you done a good job of researching, you would have learned that no money was given to Brazil for drilling for oil.
What happened was the bank loans to American firms acting as subcontractors on the projects were insured by the Export/Import bank against a host of problems, mostly political.
The process is ordinary and necessary to promote export sales. They regularly support projects of Boeing and GE and other mega exporters.
To actually be successful, research Export Import Bank and Overseas Private Investment Corporation
http://online.wsj.com/article/SB10001424052970203863204574346610120524166.html
http://www.youtube.com/watch?v=NHeVcVYlQ-I&feature=player_embedded
Obama still said US would “buy” like a good customer from
Brazil.
Why not practice what S. Korea does and do all this Brazil
stuff in the US, keeping as much currency at home as possible.
Invest in the US before investing in foreigners.