During soviet union, under Stalin, there was a monument of children that accused their parents, need info!?

It is a good topic, but I am afraid you will have to start out with a couple history books that examine the Stalin government, look at the references and go from there. You need a reference librarian more than Yahoo. If you don't have a good library where you live - get on the website of the state university, go to the library section and click on reference. You should be able to ask your question, and someone will get back to you soon. Start out simple - just ask for books on Stalin that talk about the children. Good luck.