The slump in business made Ratanlal bankrupt.

Answer: Option C

Loss : the fact or process of losing something or someone.
Extortion : the practice of obtaining something, especially money, through force or threats.
Fall : move from a higher to a lower level, typically rapidly and without control.
Failure : lack of success.
Slump : sit, lean, or fall heavily and limply.

Synonym of Slump is Fall