Explanation:
He had a first-hand and acute awareness of panic, terror, fear and hysteria. He had survived two near-fatal illnesses, and grew increasingly anxious and impatient in fear of relapse. The combination of these factors is thought to have led to his production of the Black Paintings.
Hope it's helpful to you
<span>Al─Khwarizmi wrote an algebra textbook that was the standard for centuries during the golden age of islam :)</span>
They achieved unification in the 19th century!
World War 1.
Many blacks left southern states during WW1 and moved to big northern cities to work in war industries.
More went to New York city than to any other,and after the war there a lot of blacks living in Harlem who were literate and artistic.
