Sure! Here are the answers to your questions:
Q1:
The constitutional issue President Lincoln was addressing in this excerpt is:
The legal ability of states to secede
Q2:
The decision that applied to much of the land gained from the:
U.S.-Mexican War
Q3:
The statement that describes how the passage of the Kansas-Nebraska Act of 1854 increased sectionalism is:
It allowed slavery to expand into the territories.
Q4:
The headlines refer to the decision in which Supreme Court case:
Dred Scott v. Sandford
Q3+2:
| Characteristic | American Revolution Era | Civil War Era | |------------------------------------------------------|-----------------------------|-------------------------| | Conflict over issue of mercantilism | ✔️ | | | Conflict over issue of slavery | | ✔️ | | Ideas of Jefferson Davis inspired action | | ✔️ | | Ideas of Thomas Paine inspired action | ✔️ | |
I hope this helps! If you have any further questions, feel free to ask.