Why did the United States refuse to recognize colonial claims made on Antarctica by other countries?

United States refuse to recognize colonial claims made on Antarctica by other countries because the government believed that Antarctica should be shared by all nations for scientific research and allows free Scientific Research activities on this continent.

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.

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