Answer:
Provide statements for best in-depth answer but I'd say anything to do with the freeing of african american slaves.
Explanation:
Pan-Arab nationalism is growing a movement primary centered in the "Middle East," due mostly to the fact that most Arabs in the world live in this region to begin with.
Experts believe that the decline<span> of the ancient </span>Aryan<span> civilization was </span>caused <span>by environmental changes. Another theorys say that a sharp rise in the </span>Aryan <span>population led to the </span>decline<span>.</span>