<Ul> <Li> 3rd Provincial Division (Nagoya) </Li> <Li> 5th Provincial Division (Hiroshima) </Li> </Ul> <Li> 3rd Provincial Division (Nagoya) </Li> <Li> 5th Provincial Division (Hiroshima) </Li> <Li> Second Army <Ul> <Li> 1st Provincial Division (Tokyo) </Li> <Li> 2nd Provincial Division (Sendai) </Li> <Li> 6th Provincial Division (Kumamoto) </Li> </Ul> </Li>

Why did they begin to fight in the sino japanese war