Question: What areas were fought over in the war fought by the Japanese Fourth Army?
Sentence (from "Russo-Japanese War"): The Russo–Japanese War (Russian: Русско-японская война , "Russko-yaponskaya voina"; Japanese: 日露戦争 "Nichirosensō"; 1904–05) was fought between the Russian Empire and the Empire of Japan over rival imperial ambitions in Manchuria and Korea.
Relevant evidence: Yes