Answer:
I believe it might be D
Explanation:
I think it's D b/c it's called the Industrial Revolution. SO wouldn't the answer have something to do with the revolution? (D) something to do with the the Industrial Revolution so wouldn't make sense that that be the answer. Also revolution is another word for war. Industrial is another word for business. (D) has to do with war, workers, and industrialist, so it makes sense that the answer would be (D).
The answer to the item that you posted is letter A. The Olduvai Gorge in Tanzania is the site of many findings of the earliest humans. It is also one of the important sites to which many had learning and understanding about the human evolution.
Answer is, King Christian X
They engaged in years of rebellion and eventually overthrow their own government i think