The answer is D Senator henry cabot lodge failed to convince enough senators that the league would benefit the united states. Senator henry cabot did put forth great effort but in the end it just wasn't enough
Woodrow Wilson and his opponents refused to compromise on the wording of the Treaty of Versailles.
Explanation:
One of the most important weaknesses of the League of Nations was the fact that many countries never joined, with the notable example of the United States. Although President Woodrow Wilson had been instrumental in the establishment of the League, him and his opponents refused to compromise on the wording of the Treaty of Versailles. It is hard to say whether the inclusion of the United States in the League would have made any significant difference in terms of its success.