Initial success was gained by the Soviet Union in seeking territorial expansion and building up its sphere of influence to its northwest through collaboration as well as contest with Hitler Germany before the Nazi Soviet War broke out.

• 苏德战争之前 ,苏联通过与希特勒德国的合作与争夺 ,在其西北部扩张领土和建立势力范围的努力获得初步成功。