The president of the United States is the head of the executive branch and plays a large role in making America's laws. His job
is to approve the laws that Congress creates. When both chambers have approved a bill, they send it to the president. In order for the bill to become law, the president must sign it into law. The president can decide not to sign a bill if he does not want it to become law. What is it called when the president refuses to sign a bill into law?
When the President refuses to sign a bill, there official name for this is Veto. Veto means "a constitutional right to reject a decision or proposal made by a law-making body."
Veto is the power or right vested in one branch of a government to cancel or postpone the decisions, enactments, etc., of another branch, especially the right of a president, governor, or other chief executive to reject bills passed by the legislature
The service of African-Americans in the military had dramatic implications for African-Americans. Black soldiers faced systemic racial discrimination in the army and endured virulent hostility upon returning to their homes at the end of the war.