A) A Ukrainian defeat would trigger a "domino effect" in East Asia, making Japanese military support essential for its own national survival.
B) Easing export rules risks drawing Japan into foreign conflicts and permanently dismantling its role as a global mediator for peace.
C) The focus should be on joint technology ventures, combining Japanese electronics with Ukrainian combat experience, rather than direct arms transfers.
D) Japan’s potential contribution to NATO-led defense funds allows it to support Ukraine without directly violating its own legal restrictions on lethal exports.