<span>The Japanese reached Guadalcanal in May 1942. When the allied forces spotted construction of an airfield on Guadalcanal, It was one of the most hotly contested campaigns for control of the ground, sea and skies of the war. Guadalcanal became a major turning-point in the war as it stopped Japanese expansion.
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Answer:
The Great Schism was between the Roman catholic and Greek Orthodox Church.
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Because it was a regular and predictable measure of time.
