The pearl harbour attack.
The Japanese had succeeded in their surprise attack, but had also miscalculated USA ability to wo wage war on two fronts. The attack also united the allies.
The Japanese intention was to establish hegemony in the South East Asia.
<span>Italian dictator Benito Mussolini (1883-1945) rose to power in the wake of World War I as a leading proponent of Fascism. Originally a revolutionary Socialist, he forged the paramilitary Fascist movement in 1919 and became prime minister in 1922. hope this will help......</span>
They created the number system we use today.
Answer:
Led to higher casualty rates
Made it a defensive war
Defenses against chemical weapons were required
Explanation:
It did lengthen the fighting time, but it wouldn't make sense if casualties were lessened. WWI did not last for a short time, so your only options are above this text.