What was Ibn Khaldun’s contribution to the study of human culture?
A.
He revived the study of human culture about 1,000 years after the fall of the Roman Empire.
B.
He was the first to study how environmental, sociological, psychological, and economic factors influence culture.
C.
He was the first to formally create a written study of human culture.
D.
He was the first to describe the cultures of Asia and far-flung civilizations of the Americas.