510 CHApTEr 2 2 | a ConSerVatiVe tenor | period nine 1980 to the present TopIC II | an end to history’s end^511511into effect in 2005—sharing the objective of the Convention to stabilize atmospheric
concentrations of greenhouse gases—enable such a global response to climate change.United Nations Framework Convention on Climate Change, Kyoto Protocol Reference Man-
ual (Bonn, Germany: UNFCCC Secretariat, 2008), 4.prACTICIng Historical Thinking
Identify: What was the purpose of the Kyoto Protocol?
Analyze: Analyze the relationship between science and environmentalism as pre-
sented in the protocol.
Evaluate: To what extent does the Kyoto Protocol present environmental concerns
as a key issue for political reforms at the beginning of the twenty-first century?Document 22.15 Border Fence with Mexico
2009The following image depicts part of the barrier constructed along the border between
the United States and Mexico from Yuma, Arizona, to Calexico, California. The fifteen-
foot-tall fence was constructed as part of the Secure Fence Act of 2006 and was intended
to stem the flow of drugs and illegal immigrants from Mexico into border states.David Mcn
ew/Gettyimages.23_STA_2012_ch22_489-522.indd 510 17/04/15 11:34 AM