>>489
https://www.asahi.com/articles/DA3S15262259.html
https://mainichi.jp/articles/20220405/ddm/007/030/098000c
https://www.sankei.com/article/20220322-BD7JG4VC2VJGDHUKBPNRDZIWPA/
https://jp.reuters.com/article/usa-russia-crimea-idJPKBN2G208O
https://www.moj.go.jp/isa/content/930006245.pdf
https://ja.wikipedia.org/wiki/%E3%82%AF%E3%83%AA%E3%83%9F%E3%82%A2%E3%83%BB%E3%82%BF%E3%82%BF%E3%83%BC%E3%83%AB%E4%BA%BA