Mensalão scandal funneled through an advertising agency owned by Marcos Valério. The investigation has since uncovered members of the Brazilian Social Democracy Party, DEM, Brazilian Democratic Movement Party and seven other political parties also involved. Many key advisers to Lula resigned, and several deputies were faced with the choice of resignation or expulsion from congress, though the president himself went on to be re-elected in 2006, and in 2010 Brazil elected his chief of staff, Dilma Rousseff, as president. Much of PT's leadership was affected in some way, with many resigning or failing to win re-election. Brazil's economy was widely perceived as
Dilma Rousseff on the projects (which Rousseff has insisted should continue, and even be accelerated, with some sites seeing multiple work shifts so that construction can continue more than twenty hours per day) were harsh, while pay was low despite a high cost of living at the remote construction sites. This led to strikes and other worker actions at several hydroelectric projects. In the spring of 2012, 17,000 workers at the Jirau Dam site went on strike for over three weeks, and later some began looting company stores, setting fire to dam structures, and destroying worker housing. Military troops eventually deployed to