Because that’s just the way it is
Missouri Compromise admitted the zone of Maine, the northern locale of what was then Massachusetts, into the Union as a Free State.
This was done to adjust the quantity of "slave states" and "free states." This happened because of a compromise about slavery in Missouri, and in the federal regions of the American west.
He responded by not helping because he didn’t want to fight a war across an ocean
The Comics Code Authority (CCA) was formed in 1954 by the Comics Magazine Association of America as an alternative to government regulation. The CCA allowed the comic publishers to self-regulate the content of comic books in the United States.