How would the early Republican Party have felt about the Dred Scott decision? It would have supported it because it abolished slavery.
It would have opposed it because it made it difficult to run for office.
It would have supported it because it weakened slavery.
It would have opposed it because it weakened free labor.

D. the early republican party feed off of cheap slave labor so the would have opposed it because weakened there economy.

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.