Answer: C. Manufacturing
According to Alexander Hamilton, the government’s support was needed to nurture a developing manufacturing sector because he believed that it would be the way to help the United States become independent of foreign nations for military and the key to economic success and driver of innovation.
Airplanes and chemical warfare were technological advances during world war 1.
Answer:
4. I think it makes sense
The polis emerged from dark ages which followed the fall of the mycenaean civilization in Greece and by the 8th century bce a significant process of urbanization had begun