Awww how nice laugh out loud
transportation encouraged settlement and transformed agriculture much more land could now be developed since Farmers had access to national markets.
By 1860, the slavery issue had come to a head. The slavery issue split the Democratic party into Northern and Southern factions, and each ran separate candidates. The Republican candidate, Abraham Lincoln won.
Answer:super glue and medical penicillin
Explanation: super glue was a great way to hold house hold products together and penicillin was useful for war and home
