It's to avoid the full power of a monarchy.
If I'm right feel free to drop a follow~!
Answer: The war officially ended with the February 2, 1848, signing in Mexico of the Treaty of Guadalupe Hidalgo. Mexico gave up all claims to Texas and recognized the Rio Grande as America's southern boundary.
Explanation: Hope this helped!! :D
It gave them real life details to work with.
Spain quite possibly? i looked it up and that's what i'm getting, hope it helps.
Lusitania. British passenger ship. U boats. Soldiers killed wounded and missing