One of Truman's greatest achievements as president, which utilized the greatest extent of his executive powers, was the racial desegregation of the armed forces.
Campaign against apartheid: 2 December 1950 — The General Assembly declared that "a policy of 'racial segregation'
Popular sovereignty is the concept that is best stated by the declaration of independence. <span>That to secure these rights, Governments are instituted among Men, deriving their just powers from the consent of the governed (Declaration of Independence preamble) in other words that governments are meant to protect its citizens. </span>
C)Veto a law.
With checks and balances, the executive branch of government can veto legislation.