The transition from an imperialist political party to a democracy strengthened relations between the two countries and allowed the Japanese and American people to share the social aspects of their lives. The culture and heritage of Japan has grown and remained consistent over the years, allowing the American people to learn and live with the Japanese and understand the history of such a great nation that has been able to maintain a culture for many years despite such a traumatic defeat in World War II. Second War. Even after being on different sides of the battlefield 60 years ago, Japan and the United States came together to train and learn from each other's militaries and now have one of the strongest political and military relationships. strongest in the world, which is growing every day.