Read the passage from a research paper on improving sibling relationships.Strengthening Sibling RelationshipsParents can nurture sibling closeness by encouraging cooperation. When brothers and sisters work together to complete a chore, mutual appreciation is gained from the effort. Each one benefits from the other’s strengths (Vera 227).Works CitedDunn, Clara. Sibling Rivalry. Toronto: Modern Press, 1999. Print.Ramirez, Ana. Examining the Family Dynamic. New York: Prestige Publishers, 2011. Print.Thornton, Davis. Brothers, Sisters, Friends. Boston: Society Press, 2002. Print.Vera, Nikko. Sibling Relationships. Providence: Union House, 2007. Print.