Before revision: File: Five Presidents Oval Office.jpg | Five American Presidents in the White House in 2009 (Left to right: George H. W. Bush, Barack Obama, George W. Bush, Bill Clinton, and Jimmy Carter) The functions exercised by a president vary according to the form of government.
After revision: Five American Presidents in the White House in 2009 (Left to right: George H. W. Bush, Barack Obama, George W. Bush, Bill Clinton, and Jimmy Carter) The functions exercised by a president vary according to the form of government.