Question: The 6th Canadian Infantry Division was originally scheduled to participate in this proposed Allied plan for the invasion of Japan near the end of World War II but the plan was abandoned after the Soviet invasion of which region? 
Sentence (from "87th Battalion (Canadian Grenadier Guards), CEF"): The 87th (Canadian Grenadier Guards) Battalion, CEF was a unit in the Canadian Expeditionary Force during the First World War.
Relevant evidence: No