发行时间：2019.11.27
总页数：107
编辑：
综保科技
摘要：
changes in the arctic: background and issues for congress
updated november 27, 2019
congressional research service https://crsreports.congress.gov r41153
changes in the arctic: background and issues for congress
summary
the diminishment of arctic sea ice has led to increased human activities in the arctic, and has heightened interest in, and concerns about, the region’s future. the united states, by virtue of alaska, is an arctic country and has substantial interests in the region. record low e...
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