The central idea is what the main thing. For this, I think the central idea is simply Cactuses.
I'm not sure what another supporting detail can be, but if there's a back side, or another page about cactuses, I can sure help! But if that's the only side, ask your parents. xD
Answer:
Fill in the blanks? Where?
Answer:
for emphasis. hope this helps
Explanation:
Https://fashion-history.lovetoknow.com/fashion-clothing-industry/ready-wear
Try this link to find your answer.