Lafayette's statement reflects his belief in the interconnectedness of nations and the importance of international cooperation. He understood that the United States was not an isolated entity, but rather a part of a larger global community. He believed that America had a responsibility to use its influence and resources to promote the welfare and happiness of all people, regardless of their nationality or background.
Lafayette's words also highlight the importance of democracy and human rights in building a better world. He believed that America's commitment to these principles could inspire other nations to adopt similar systems of government, leading to greater freedom and prosperity for all.
In summary, Lafayette's statement expresses his belief that the welfare of the United States is closely tied to the welfare of humankind because he saw America as a force for good in the world, with the potential to inspire positive change and promote human progress on a global scale.