Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.

A)“Gaslighting” is an elaborate and insidious technique of deception and psychological manipulation, usually practiced by a single deceiver, or “gaslighter,” on a single victim over an extended period.

B) Its effect is to gradually undermine the victim’s confidence in his ability to distinguish truth from falsehood, right from wrong, or reality from appearance, thereby rendering him pathologically dependent in his thinking or feelings on the gaslighter. 

C) In some cases the intended (and achieved) result is to rob the victim of his sanity. 

D) As part of the process, the victim’s self-esteem is severely damaged, and he becomes additionally dependent on the gaslighter for emotional support and validation.