The speaker is talking about how great the United States is and how it has a special role in the world. They believe that the country has been given a noble land by God, and its people are strong and important. They talk about the country's history of brave soldiers who have fought in difficult places. The speaker responds to those who say that governing people without their consent is wrong. They argue that the idea of consent only applies to people who can govern themselves, and they give examples like how the U.S. governs Native Americans, its territories, and even children without their consent. They also say that if other countries like England and Germany can govern foreign lands, the United States can do it too. They believe that this will bring more opportunities for young men in the country and increase resources and trade. They mention specific examples of the potential wealth in Cuba, such as unexplored forests and mines. The speaker believes that as the United States expands its influence and trade, it will spread the idea of liberty and civilization to other parts of the world. They think that the United States is chosen by God and has a special mission.