One of the major weaknesses of the Kyoto Protocol is that developing countries were not included in the emission limitation requirement. Realists would argue that states like the United States are unwilling to sign this treaty because ____________.it removes incentives for nations to strengthen their economyit creates an unfair advantage for those nations that are not signatories to the Kyoto Protocolthere is no hard proof that global warming existsthere the United Nations lacks the ability to enforce state compliancethese limitation requirements will reduce quality of life for AmericansAnswer: it creates an unfair advantage for those nations that are not signatories to the Kyoto Protocol