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                         Effects on human being  | 
                        
                       
                             
                             Looking back at the history, because mutual openness of each country and each nation, intermarriage prompts fusion of the world and ethnic, forming what is now the world multi-national world. Then look at today's society, the people from various regions in the world have had mutual understanding because of the openness, and deepening mutual contact and friendship; the advanced culture and productivity can be spread because of the openness, and promoting regional ethnic economy and cultural development; open world day has also increasingly become a closely related to the whole.
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