Untying the Grotian Knot: How Tanaka Kōtarō’s Christian approach to international law disentangled the moral quandary of the South West Africa Cases

  • Jason Morgan Reitaku University, Kashiwa

Abstract

The South West Africa Cases presented the International Court of Justice (ICJ) with a seemingly intractable problem. The Petitioners in the Cases, Ethiopia and Liberia, alleged that the Respondent, the Union of South Africa, was failing to abide by the Mandate System under which South Africa had come into possession of the former German territory of South West Africa (today, Namibia). South Africa, however, argued that the way in which the mandate was governed was essentially no concern of other states. This argument presented a serious, and seemingly unresolvable, problem for the ICJ. South Africa displayed flagrant disregard for human dignity in planning and enforcing a system of racial segregation, apartheid, which relegated millions of people to lower social strata. However, the secularized international law paradigm on which the ICJ relied had no way to counter South Africa’s arguments. While it was clear that South Africa was acting unjustly, the deracinated natural law system of Hugo de Grotius (1583-1645) on which international law was premised had no way to untie this Grotian knot and permit of more substantive legal arguments on the grounds of the dignity of the human person or human rights. Procedure, in other words, trumped morality. The case seemed stuck. However, ICJ jurist Tanaka Kōtarō (1890-1974), a practicing Catholic, deployed strongly metaphysical—that is, Christian—natural law reasoning in his dissenting South West Africa Cases judgment to untie the Grotian knot and solve the moral dilemma of apartheid within an international law framework. In this paper, I examine Tanaka’s rulings (in particular his now-classic 1966 dissent) and show that his application of Catholic natural law in the South West Africa Cases not only solved the problem at hand, but also allowed for a much more robust vision of the moral law to prevail in international relations in the future.

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Author Biography

Jason Morgan, Reitaku University, Kashiwa

Jason Morgan (PhD, Japanese history) is associate professor in the Faculty of Global Studies at Reitaku University in Kashiwa, Japan. He has studied at Yunnan University (PRC), Nagoya University (Japan), Nagoya University of Foreign Studies (Japan), Waseda University (Japan), the University of Hawai’i (USA), the University of Tennessee (USA), the University of Wisconsin (USA), and Haifa University (Israel).  Jason researches East Asian legal and political history and philosophy. He was a research fellow at the Ludwig von Mises Institute in Auburn, Alabama in 2016, studying non-state-centric approaches to legal order.

Jason is originally from New Orleans, Louisiana and can be reached at: jmorgan@reitaku-u.ac.jp

Published
2022-07-12