Which was the greatest challenge for both american settlers and american indians in the west in the mid-1800s?

i belive the continental association was created to boycott all contact with british goods.

i also belive it was in december 1, 1774

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.