Why does google adsense rejected stating that the site is in 'under construction'?

You just have five poetry hubs. Add another 5 quality hubs to get approved.

The site has to have a reasonable amount of content before you'll get approved for adsense. I would recommend adding more content and then trying to apply again.

If you already have a lot of content they may feel the site is lacking some other quality.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.