They transformed peacetime industries into war industries.
Hope this helps. :)
Answer: I believe the answer is A but im not very sure.
It was important in the development of astronomy and science because it was the first model that aimed to predict how the planets move in their orbits. Despite being a complicated mix of circles and epicycles it was not a bad model and it worked well for at least 1500 years until observations became accurate enough to show its imperfections
The correct answer is C I believe, but please correct me if I’m wrong!