B. I have had a similar answer like this before
Blacks were able to serve in all branches of the Army except for the aviation units. The government made no provision for military training of black officers and soon created segregated training camps for that purpose. Disheartened, blacks protested against this discriminatory practice.
A, theocracy. Few of these exist today, but one example is Iran
that the burning of the U.S. flag was a constitutionally protected form of speech under the U.S. Constitution's First Amendment.