I am not aware that he has - please check the veracity of your source of information in relation to this.
South America
No. He is not the president of North America, nor is he president of South America. There is no one person who is president of either part of the world: North America and South America are continents and they contain many countries; for example, each of the countries in South America (Argentina, Brazil, Peru, Venezuela, etc.) has its own leader. Mr. Obama is president of what is called the "United States of America." The United States is situated in North America, which includes Canada (with its own leader), the USA (with President Obama), and Mexico (with its own leader).
American troops.
250000
December 26, 2004
Trinadad
South America
Abraham Lincoln as commander in chief, sent union troops to the South.
South of North America is South America.
South America
Most of South America is south of the equator.South of the equator
South Korea has 250 troops stationed in Afghanistan.