what started the russo - japanese war?\no russia issued a preemptive strike on japan in the sea of china.\no…

what started the russo - japanese war?\no russia issued a preemptive strike on japan in the sea of china.\no the conflict over korea escalated into war near seoul, korea.\no japan launched a surprise attack on the city of port arthur in russia.\no negotiations to avoid war broke down, and war ensued.
Answer
Answer:
Japan launched a surprise attack on the city of Port Arthur in Russia.
Brief Explanations:
The Russo - Japanese War began when Japan launched a surprise naval attack on the Russian fleet at Port Arthur (Lüshun) in 1904, aiming to gain control of Manchuria and Korea. This action was a result of long - standing territorial and imperial ambitions in East Asia.