Answer: The militaristic culture of Japan in the 1930's meant an aggressive foreign policy aimed at establishing Japanese hegemony in the Far East and Pacific. However the Japanese also needed access to raw materials, particularly oil and rubber to sustain a war economy.
The conditions being so bad? i might be wrong
Trench warfare was widely used at the beginning of the war but as it progresses modern military tactics such as infiltration tactics using small groups were used
