England became alarmed that Russia's southward expansion could clash with its own interests, abandoned the isolationist policy (Splendid Isolation) it had adhered to for many years, and decided to enter into an alliance with Japan in 1902 (Anglo-Japanese Alliance).
ロシアの南下が自国の権益と衝突すると考えたイギリスは危機感を募らせ、1902年に長年墨守していた孤立政策（栄光ある孤立）を捨て、日本との同盟に踏み切った（日英同盟）。