noun
ABCD encirclement
Historical term for the economic and military encirclement of Japan by America, Britain, China, and the Dutch East Indies, beginning around 1940. Used in discussions of pre-WWII Japanese history.
ABCD包囲陣は、日本への経済制裁を強化するために形成された。
The ABCD encirclement was formed to strengthen economic sanctions against Japan.
歴史の授業でABCD包囲陣について学んだ。
I learned about the ABCD encirclement in history class.