What causes flooding? I need pargraphs

flooding ocuurs due to the increase of volume of water in river .it's main cause is urbanization and industrialization as well as deforestation. making pitch land.lack of drainage and so on

as for symbolic actions, the narrator's tearing down the wallpaper in an attempt to find the "woman" in the wallpaper represents her struggle to retain or regain her sanity.   the wallpaper has been part of her confinement and by her tearing it down, she is freeing herself from that confinement.