Yamagata's influence was not confined to the military; his career included service as
Home Minister,
Prime Minister,
Minister of Justice, and
President of the Privy Council. In 1883, he was appointed Home Minister and embarked on a major reform of the state's internal administration. Using German models and with the assistance of the German advisor
Albert Mosse, he established a new local government system that centralized authority and extended the reach of the central government down to the village level. He also reformed the police system, creating a powerful, centralized force under the firm control of the Home Ministry. A staunch conservative, Yamagata viewed the growing
Freedom and People's Rights Movement with alarm and used his position as Home Minister to suppress political opposition, culminating in the harsh Peace Preservation Law of 1887, which gave the police broad powers to quell dissent.
First premiership In December 1889, Yamagata became the third Prime Minister of Japan, heading a new cabinet after the resignation of
Kuroda Kiyotaka. His government oversaw the opening of the first
Imperial Diet in 1890, an event that marked a new phase in Japanese politics. In a speech before the Diet in March 1890, he articulated for the first time his strategic concept of national security. He defined a and a . This doctrine guided Japanese foreign policy for decades and was used to justify military expansion on the Asian continent. Yamagata immediately clashed with the opposition parties in the Diet over the budget, particularly his demands for increased military spending. A former military man, Yamagata was reluctant to yield ground and had little inclination to cultivate the sort of contacts with politicians that might have forestalled the conflict. The confrontation became deadlocked, and Yamagata considered dissolving the Diet, but was dissuaded by his rival
Itō Hirobumi. On 10 February 1891, he delivered a speech declaring that his cabinet could not answer questions on certain budget items, which was harshly criticized by Itō as a "foolish statement" that needlessly antagonized the opposition. He eventually secured a compromise by working with a splinter faction of the
Liberal Party, though the final budget incorporated almost three-quarters of the cuts the opposition had demanded. To forestall coalitions between opposition parties in future sessions, Yamagata revised the Regulations for Public Meetings and Political Associations, forbidding any party from combining or communicating with another. During this period, he was also a key figure behind the promulgation of the
Imperial Rescript on Education (1890), which established a conservative, emperor-centered moral framework for the national education system. He resigned as Prime Minister in May 1891, his government having survived the first Diet session but weakened by Itō's criticism.
Second premiership , 1896. Yamagata is seated in the center. Yamagata's political influence continued to grow throughout the 1890s. During the
First Sino-Japanese War (1894–1895), against the better judgment of the government, he successfully insisted on being appointed commander of the
First Army. He arrived at the front in September, after the
capture of Pyongyang, but a bout of illness cut short his command. While convalescing, he remained at the front and, frustrated with the Imperial General Headquarters' operational guidance, unilaterally ordered his army to pursue the Chinese forces, an act of insubordination that created friction with the central command. In December, the emperor had to personally order his return to Japan. After the war, he used the victory to push for a massive expansion of the army, doubling its size from seven to thirteen divisions. He argued for "bigger, not more" divisions, focusing on increasing the infantry strength of the existing formations rather than creating new ones. In November 1898, Yamagata formed his second cabinet following the collapse of the short-lived
Ōkuma Shigenobu–
Itagaki Taisuke party cabinet. His primary objective was to secure funding for the postwar military expansion and address the growing fiscal deficit, which required a significant increase in the land tax. To overcome opposition in the Diet, he formed an unprecedented alliance with Itagaki's
Kenseitō, the successor to the Liberal Party, promising them concessions on other policies in exchange for their support on the tax bill. After successfully passing the tax increase, however, Yamagata moved to undermine the political parties' influence. In March 1899, he enacted a series of civil service ordinances that made it difficult for party members to be appointed to high positions in the bureaucracy, effectively insulating it from political control. During this period, his government also passed the 1900 Peace Police Law to suppress the labor movement. In May 1900, he revised the regulations for service ministers, stipulating that only active-duty generals and admirals could serve as ministers of the army and navy, giving the military a powerful veto over the formation of any cabinet. He resigned in October 1900, having secured the army's long-term expansion and strengthened the foundations of bureaucratic rule, and after the
Boxer Rebellion had been suppressed. == Elder statesman (
genrō) ==