The Imperial Japanese Army was the ground-based military force of Japan from 1868 until the end of World War II in 1945. It played a crucial role in Japan's expansion during the late 19th and early 20th centuries, participating in conflicts such as the First Sino-Japanese War and World War I. The army was known for its discipline and modernization, adopting Western military techniques and technologies. During World War II, the Imperial Japanese Army was involved in numerous battles across the Pacific and Asia, including the infamous Battle of Iwo Jima. However, its aggressive tactics and harsh treatment of prisoners led to widespread condemnation. After Japan's defeat in 1945, the army was disbanded, marking the end of its influence on