wagon – n. a usually four-wheeled vehicle for transporting bulky commodities and drawn originally by animals
squad – n. a small organized group of military personnel
internal – adj. of, relating to, or occurring on the inside of an organized structure (such as a club, company, or state) internal affairs
mutual – adj. shared between two or more people or groups
recrimination – n. an angry statement in which you accuse or criticize a person who has accused or criticized you
conversation – n. an informal talk involving two people or a small group of people : the act of talking in an informal way
brutal – adj. very direct and accurate in a way that is harsh or unpleasant