北方来到东北的流民不但为东北地区的经济做出重要的贡献,而且对东北地区的汉族文化贡献卓越。他们为东北地区带来中原的文化,又在互相流动中增加了文化的交流,为东北地区吸收中原北方地区的文化提供了便利。第二次世界大战爆发以前,日本就开始实行了对中国的侵略 The migrants coming north to the northeast not only made important contributions to the economy in northeast China, but also made outstanding contributions to the Han culture in northeast China. They brought Central Plains culture to Northeast China and increased cultural exchanges with each other, which facilitated the northeastern region to absorb the culture of the Central Plains in the North. Before the outbreak of the Second World War, Japan began to commit aggression against China