The islamic requirements to learn arabic promoted literacy encouraged collaboration between scholars unite the various ethnic groups of the islamic empires all of the choices are correct

D

Explanation:

I think all of them are correct. It would be the objective of any language that was spoken by a diverse population of nearly a billion people.

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.