What is the best definition of a "blitzkrieg"?

an intense military campaign intended to bring about a swift victory.

Explanation: that’s what the dictionary says. Hope this helps?

this answer contains personal information.

Explanation:

It says personal information.

what are local authorities doing to fix the problem

explanation:

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.