In contextualizing the Civil War, Lincoln urges listeners to recall the principles upon which the United States was founded. In the context of this article, how has America changed over time? Use the speech, your own experience, and other literature, art, or history to develop and support your answer. based on the Gettysburg address

How did the construction of the erie canal improve transportation in the united states in the 1820s? a. the canal connected the great lakes to the mississippi river. b. the canal connected the great lakes to the ohio river. c. the canal connected the atlantic and pacific oceans. d. the canal connected the great lakes to the atlantic ocean.