I literally have no idea I’m sorry
Answer:
The expansion to conquer China for raw materials and the alliance with Germany and the threat of Russia lead to WW2
Explanation:
The second last sentence of the first paragraph is the key message conveying Lincoln's view that war was forced for the protection of the nation.
"<span>Both parties deprecated war; but one of them would make war rather than let the nation survive; and the other would accept war rather than let it perish."</span>