Name three things the author does to make the reader uneasy about the westing estate

The following are the three things that the author does to make the reader uneasy about the Westing estate:The author describes the flooded land with half drowned houses covered by water up to the ground floor staircases and the foul smell of rotten woods that is spread in the area.The author talks about the swamp that is formed due to excessive flooding of the river that flows adjacent to the land.He describes the small junk walkways that pass from behind the house and says that they are not good enough to walk on.