Why did Theodore Roosevelt Elihu Root and Henry Cabot Lodge advocate American imperialism?

Theodore Roosevelt, Elihu Root, and Henry Cabot Lodge advocated for American Imperialism primarily to enhance national power and security, promote American economic interests, and assert the United States as a global leader. They believed that expanding American influence and territory would foster national greatness, fulfill a sense of manifest destiny, and provide new markets for American goods. Additionally, they viewed imperialism as a way to compete with European powers and promote stability in regions like the Caribbean and the Pacific.