Chapter 114: Hokushin or Nanshin
The deaths of Kanbe Tomoyoshi and Sakuma Moritora, among Japan’s most senior and influential leaders, in 1672 marked the end of a brief period of postwar unity in Azuchi. With the oogosho dead and Nobuhiro too weak and ineffective to clamp down on any squabbling or disunity, previously suppressed rivalries and discord returned in full force. Soon, competing visions and economic interests amongst the daimyo lords and even some of the nobility would divide Azuchi into two loose camps by 1673: the Hokushin-ha (北進派) and the Nanshin-ha (南進派). They were named after the different directions each faction wanted to focus on in terms of economic and territorial expansion, north and south respectively.
The Hokushin faction advocated for prioritizing northern expansionist goals, including the continuation of Japan’s support of the Amur Khanate and the incorporation of further lands in the far north, especially northern Sakhalin. Its members also backed further investments and colonializations in Ezo, Karafuto, and Kuroryutsu as well as the expansion of the lucrative fur trade. This didn’t mean that they wanted to ignore opportunities in Southeast Asia and beyond to the realm’s south, though they believed that Azuchi should prioritize establishing dominion and hegemony in the north. To that end, the Hokushin faction was generally pro-Dutch and weren’t particularly interested in shaking up the political status quo in the south, especially if it threatened the fur trade. The faction saw its support base mostly concentrated in northern and eastern Japan, especially among daimyo most engaged with the northern fur trade. It was principally led by Tokugawa Noriyasu, Kaga Nagaaki, and Shimazu Norihisa, whose clan’s pro-Dutch stance brought him towards the Hokushin-ha.
The Nanshin faction, by contrast, viewed the far north as too resource-poor to preoccupy Japan’s mercantile and political interests. Instead, they backed an expanded focus in Southeast Asia through the continued support of Nihonmachi communities and enterprising Japanese merchants throughout that region. Although no territorial goals existed, there were conceptual prospects for Azuchi-run trade factories and even cities much like what the East India Companies were doing. Unlike the Hokushin faction, the Nanshin-ha supported a more heterogeneous, non-preferential foreign policy towards the various European nations operating in the area to keep them all balanced against one another, with some members even beginning to see the VOC as a threat to Azuchi’s interests. As a consequence of their advocacy for a more southerly focus, the Nanshin-ha also supported an ever larger navy in contrast to the Hokushin-ha that backed a larger land military presence in the far northern frontier. This faction was principally led by Tagawa Seikou, Kanbe Tomozane, and Mōri Tsugumoto. Much of the merchant class, especially those based to the west and south of Azuchi, also supported the Nanshin-ha.
Leaders of the Hokushin-ha and Nanshin-ha, Top (from left to right): Tokugawa Noriyasu, Kaga Nagaaki, Shimazu Norihisa, Bottom (from left to right): Tagawa Seikou, Kanbe Tomozane, Mōri Tsugumoto
The fierce rivalry between the Hokushin-ha and Nanshin-ha would fully rear its head in 1673 when Azuchi’s budget necessitated either more revenue or cuts in expenditures in order to continue Japan’s economic recovery from a decade of conflicts and expand the size and scope of the Japanese navy even further. No one wanted to increase taxes on the daimyo and their peasants at the risk of triggering peasant riots or discontent among the samurai class. Therefore, at a meeting of the Sangi-shu, Tsugumoto proposed downsizing the Japanese military presence in the Amur Khanate, as the late Sakuma Moritora’s earlier campaigns had rebuffed the attacks of Nikifor Chernigovsky and other Russian Cossacks successfully, and the tsardom’s focus was turning elsewhere to events in Europe. He also privately hoped that reducing active Japanese presence in that region would thaw tension between Japan and Joseon, which had persisted even after the Treaty of Shenyang and prevented trade from returning to prewar levels. This was made with immediate opposition by the Hokushin faction, especially from Kaga Nagaaki and Nanbu Shigenobu. They instead pushed for ending customs duties exemptions for Japanese merchants. Ultimately, a narrow 9-8 vote was taken in favor of freeing more funds through a military divestment from the far north. However, Nagaaki immediately appealed to the daijo-daijin in the hopes of him deciding in favor of him and the Hokushin-ha.
Enter Kudō Kanefuyu, Tomozane’s younger brother and one of Nobuhiro’s close aides who would come to play a key role in the government in the coming years. Nestled comfortably in the Nanshin-ha alongside his older sibling, he would use his access and status as a blood member of the greater Oda clan to Nobuhiro to persuade him to heed the decision of the Sangi-shu. As the daijo-daijin’s early education had been run by Konoe Toshishige’s kuge (公家) retainers, Nobuhiro tended to be soft and pacifistic, not fond of the military arts or war in general, and a partial withdraw from the Amur Khanate was therefore an easy sell to him. With that key decision, the Sangi-shu’s vote was upheld and the Japanese military presence in the Amur Khanate was scaled down, being mostly concentrated in the leased port of Kuroryutsu. Extended customs duties exemptions would also continue to allow Japanese merchants to prosper even at the expense of other traders, mostly those associated with the VOC. The Nanshin-ha’s political victory also gave them greater influence and power over the Hokushin-ha and early on decided which side held the advantage in Azuchi.
Portrait of Kudō Kanefuyu
The next few years would only see the decline of the Hokushin-ha’s power. In 1674, Tokugawa Tomoyasu would pass away of sudden illness, pushing Noriyasu to partially withdraw from political affairs in Azuchi as he mourned his son’s death and focused on training his second son, Hiroyasu (徳川熙康), as the new heir. This was followed by the death of the 62 year old Norihisa in 1675, leaving Kaga Nagaaki as the only active leader among the original trio. Norihisa’s seat would then be filled by a staunch member of the Nanshin-ha in Ryuzōji Tomoie, further tilting Azuchi politics in the Nanshin faction’s favor.
With the semi-retirement of Noriyasu and the death of Norihisa, Kaga Nagaaki assumed the leadership of the Hokushin-ha entirely. This quickly added an inter-Oda clan rivalry aspect to the division between the Hokushin and Nanshin factions, Nagaaki and Tomozane representing the cadet branches of the late Oda Nobutomo’s younger brothers Tomoaki and Tomoyoshi respectively. Nobuhiro being a weak leader only served to stir the competition over the de facto leadership of the greater Oda clan, and the two men began scheming against one another more directly. Nagaaki would turn out to be the weaker target, as Tomozane could operate behind the scenes through both his younger brother Kanefuyu and his son, Yoshihiro (神戸吉煕) who often acted as a proxy and representative for his father. The merchant class’ preference for the Nanshin-ha also came in handy whenever bribery became a necessary tool to push factional interests. Nagaaki, by contrast, possessed none of those, his military experience and reputation falling short in the covert arena of politics. He thus found himself at a disadvantage when it came to influencing policy and bureaucratic appointments. This included the filling of another vacancy on the Sangi-shu with the death of Urakusai Nagaie in 1676, where the pro-Tomozane Tarui Tomoyuki (垂井朝之), the governor of Bireigo province, was chosen over the pro-Nagaaki Musashino Toshikatsu of Musashi province.
Family tree of the main line of the Oda clan from Nobunori onwards
The political situation, despite decidedly slanted towards one side, was still a seesaw of intrigue between the Hokushin and Nanshin factions in Azuchi. Even though the Nanshin-ha dominated, many daimyo especially in the Oshu and Kanto regions favored Nagaaki and the Hokushin-ha. By the end of the 1670s, however, one would have total control and the events that would lead to that outcome were about to take place.