The last one and I'm pretty sure the second one
The meaning would be women's suffrage to bring a purer female vote
It means our sea in Latin.
The German Empire and Austria-Hungary were Allied within the Central Powers, So I assume it was the German Empire in this case, Which Declared war on Russia and France and was at war with Britain due to the Invasion of Belgium.
So the Answer is the German Empire.
<span>to make sure the Union Army could not use Confederate resources</span>