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The attitude follow behavior principal.
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On October 4, 1957, the Soviet Union launched the earth's first artificial satellite, Sputnik I. As a result, the launch of Sputnik served to intensify the arms race and raise Cold War tensions. During the 1950s, both the United States and the Soviet Union were working to develop new technology.
The first place for millions of immigrants to set foot on the American soil was the Ellis Island in New York in the Upper New York Bay as was an immigrant inspection station until 1954.
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government officials and the exams they had to pass. History Biography Geography Science Games. Search Ducksters ... Thus began the civil service that would run the Chinese government for over 2000 years
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