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.
if the choices are...
A. The Justinian Code became the legal system that was used.
B. Greek became the most widely spoken language in those areas.
C. The Byzantines spread Orthodox Christianity in those area.
D. The Byzantine army often defended Russia and Eastern Europe from invaders.
The correct answer is C