What did abraham lincoln believe about slavery?

the union had to become either all free or all slave.

slavery was becoming less common, even in the south.

slavery could be confined to certain states.

slavery was economically inefficient.

He more than likely believed that A: The Union had to become either all free or all slave.

i really dont know the answer

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.