Correct Answer: Protein

Solution : The correct option is a Protein.

The deficiency of protein, specifically essential amino acids, is associated with the development of Kwashiorkor. Kwashiorkor is a form of severe protein-energy malnutrition that commonly affects children in regions where there is a lack of access to an adequate and balanced diet. Inadequate protein intake, along with insufficient overall energy consumption, can contribute to the manifestation of Kwashiorkor.