Answer:
The U.S. Congress claims implied powers, which are powers that best completes its enumerated powers, but are not directly stated in the Constitution.
Explanation:
The Implied Powers theory was first expressed by Alexander Hamilton on February 23, 1791; it is applied to the case law of the United States Supreme Court, in particular to extend the jurisdiction of this court to the courts of individual federal states where they are not constitutionally provided for. The extension in particular concerns powers not foreseen by the Constitution but necessary to be able to experience those expressed in the Constitution of the United States, and it is applicable both for the Congress and the Supreme Court.
Answer:
Because at the time, the American army was still segregated, and African Americans were discriminated in the army, even if they provided the same service for the country during the war against Germany and Japan.
Fortunately for African Americans, the army was desegregated after the war, and in the following decades, the Civil Rights Movement would lead to desegregation in most public and private places across the country, especially in the South.