As
already been known, after the attack to Pearl Harbor, the road was opened for
Japan to make invasion to the South, and this was conducted simultaneously and in high speed. From the
month of January to February 1942, almost simultaneously together
Japan maneuvered in two battle fields at the same time. Its sea force moving through the South China Sea spread the invasion and amphibian landing directly to several targets. Samuel Eliot Morison, the author of The Rising Sun in The Pacific, called the Japan’s maneuver from the South China Sea was just like Western Octopus Maneuver.
