Why was the U. S. not interesetd in expanding
foloowing the civil war?

They were too busy with reconstruction.

Explanation:

small european communities with shared traditions consolidated into large new states (apex)

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.