What is globalization?Globalization is a 1)_________, cultural and political phenomenon.Socially, globalization leads to greater interaction among various populations.Culturally, globalization represents the exchange of ideas, values and artistic expression among cultures.Politically, globalization has shifted attention to Intergovernmental organizations like the United Nations(UN) and the World Trade Organization(WTO).In Han Dynasty, Zhang Qian set off to the Western regions twice, and was the 2)_______ of Silk Road.Globalization brought about great changes in our life. The most dramatic change is found in 3)_____.Another field of globalization is education. More international students are studying in Chinese universities.Globalization also witnessed the boom of e-learning.Some people are more critical about globalization, like the speaker of TED speech the Myth of globalization. A cultural context is 4)__________ to overcome the communication barrier.