C__________________________
Answer:
The answer is letter D.
Explanation:
Northern cities grew more diverse as African Americans shared their culture. Most of the migrants were concentrated in big cities of the north, therefore their influence was thoroughly magnified. Black culture was dominant and the north was termed as the "Black Metropolis" where newspapers, businesses, jazz clubs, among others, thrived and became the grounding for new forms of racial politics.
Control prices and practices in the oil refining business
