Concept:Science education benefits from connecting historical events, societal impact, and real-world applications.Explanation:The passage about nylon shows how scientific inventions are shaped by history and war. It helps students see that science is not isolated from society. Option A is correct because it develops a historical perspective on how ideas evolve. Option B is correct because it shows how new inventions like nylon create new demands and even social changes. Option C is correct because it gives a holistic view of science — including its economic, social, and historical contexts. Option D is not correct because the purpose is not just to make the textbook light; it is to deepen understanding.Answer:A, B and C are correct. So the right option is A.