Military history of Japan maintains a powerful defense force today, its Constitution, originally drawn under the guidelines of General Douglas MacArthur in 1945, formally renounces war and the use of military force in aggressive ways. Japan also maintains a policy against the exporting of military hardware. In September 2015, the Liberal Democratic Party under the leadership of Prime Minister Shinzo Abe, reinterpreted the Constitution, allowing Japan to use military force in assistance of its allies. The legality of these changes has been questioned by many academics and citizens. From 1867, Japan requested various Western military missions in order to help Japan to modernize its
China–Japan relations forces in part due to the First and Second Opium Wars and Anglo-French Expeditions from the 1860s to the 1880s. According to Chinese government, the relationship between China and Japan has been strained at times by Japan's refusal to acknowledge its wartime past to the satisfaction of China. However, according to Japanese government, the expansion of People's Liberation Army and its assertive actions have been damaging the bilateral relation. Revisionist comments made by prominent Japanese officials and some Japanese history textbooks regarding the 1937 Nanking Massacre have been a focus of particular controversy. Sino-Japanese relations warmed considerably after Shinzo Abe