I think that you just answered your own question in the question you asked.
The answer is D ;
women entered the workforce in textile mills and coal mines in large numbers.
Cover crops C. Keep the soil from eroding from wind & water by covering the dirt with a crop that will keep it from eroding.
Answer: The Renaissance was a rebirth of ancient Greek and Roman thinking and styles, and both the Roman and Greek civilizations were Mediterranean cultures, as is Italy. The best single reason for Italy as the birthplace of the Renaissance was the concentration of wealth, power, and intellect in the Church.
States first began to develop in areas where cities could begin to command their hinterlands. So your answer is A.