What is the definition of nationalism?

identification with one's own nation and support for its interests, especially to the exclusion or detriment of the interests of other nations.

Explanation:

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we will reach the goal of freedom in birmingham and all over the nation,

the quote by walter cronkite contributes to the central idea of the text by supporting the central idea. cronkite argues that what is deemed “right” for and in america may not be good for other countries. this supports the central idea of the text, that the vietnam war was unpopular in america for multiple reasons- including cronkite’s.