40 Days To Rectify The Aveira Of Meraglim
Today Am Yisroel is in danger all over the world. The Gemara in Shabbos (33a) says, “Because of Nivul Peh there are many troubles and bad decrees are enacted. Young men die and orphans and widows cries go unanswered.” Rav Chaim Kanievsky has said that Nivul Peh includes rechilus, loshon hora, and cursing others.
From Revach.net