Final answer:
The race riots of 1966 revealed the continued racial discrimination and inequality faced by African Americans and the frustrations of African Americans with the civil rights movement.
Step-by-step explanation:
The race riots of 1966 revealed the internal status of the civil rights movement in several ways. These riots highlighted the continued racial discrimination and inequality faced by African Americans, despite the progress made through the repeal of discriminatory laws. The riots also showcased the frustrations and anger of African Americans who felt that existing civil rights groups and leaders had been unable to achieve significant results toward racial justice and equality.