809
Japanese cultu(rul)e
(lemmy.world)
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The Russians had zero ability to invade the Japanese home islands. The Russian official declaration of war only cut off a potential way for the Japanese to broker a peace through a neutral Russia.
I suspect they could've gained a limited (big emphasis on limited) ability to invade the Japanese islands if/once they seized coastal Chinese and Korean regions that were under Japanese control, some ships might've been around.