Which of the following was a prominent issue during the 1860 election ?

Name one body of water the merchants traveled on

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.

Aclaim about history is most likely not valid if it has which of these characteristics?