Ralph Darrendorff wrote in 1998 that the twentieth century was "dominated by various divisions to a considerable extent, leading to the endless hot and cold war, but the twentieth century was also the origin of integration"; globalization began to "dominate people Life, imagination and fear ", people have to" think from a global perspective in response to this increasingly global reality. ". What Darrendorff emphasizes here is, the 20th century? ['Worrying global changes.', 'The fierce confrontation between nations.', 'The world is getting closer.', 'Ethnic conflicts are gradually eased.']