Jesus curses the Figtree - Can a dead tree bring Fruit? And what Generation is he talking about?

Figtree Generation - What is that?
Mark 11:12-25 Jesus curses the Figtree
Matthew 23 Jesus condemns the leads of the Jews.
Mathew 27 His blood will be on us and our children
Matthew 24:32
Luke 21:29 Parable of the Figtree