Answer:
Moreover, key public influences include the role of emotions, political socialization, tolerance of diversity of political views and the media. ... Additionally, social influence and peer effects, as originating from family and friends, also play an important role in elections and voting behavior.
Explanation:
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Italian nationalism was inspired in the 1830's and 1840's by the writings of Mazzini.
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So an iron triangle comprises or makes the base of the policy making relation over or among the congressional committees,the bureaucracy, etc.
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The answers is the last one... hope this helps :)