The successes during her trip expand the president's vision for a multipolar world.
Brazil's largest trading partner is no longer the US – it's China. Beijing is investing billions of dollars and filling a vacuum left by the United States.
At the close of the Civil War, a unique moment in US culture.
Girls in Uganda learn how to teach others to realize their visions, create jobs and wealth in rural areas.
Leaders agreed that warming must be stopped, but few specifics were reached on how to reduce greenhouse-gas emissions.
President Hugo Chávez, an avowed socialist and critic of the United States, has emerged in the unlikely role as the leading champion of democracy for Honduras.
The nations meeting in earthquake-devastated L'Aquila are also likely to consider what actions to take on Iran, North Korea.