国际社会怀疑伊朗为军事目的研发核能，而巴西在伊朗问题上的外交努力始于巴拉克·奥巴马总统和巴西总统路易斯·伊纳西奥·卢拉·达席尔瓦的一次会面，这次会面的地点是意大利拉奎拉召开的“八加五国”峰会。
Brazil’s diplomatic efforts with Iran – a country suspected of developing nuclear energy for military purposes – began at a meeting last year between President Barack Obama and Brazilian President Luiz Inácio Lula da Silva during the G8+5 summit in L’Aquila, Italy.