America is fully self-sufficient and has the Tetterory of all 50 states only. The entire navy, army, marine core and Air force just prior the transport to the earth clone have been moved stateside.

Political Situation
A news team in London was teleports to the London of 1000
AD and has returned stateside, The tape showing oddly
enough a witch trial and burning. People are shocked to see
the churches barbarism in such a gory fashion (read video).
outraged America puts the strongest embargo possible on
the Papal See, then learning where/when are extend the
embargo all of Europe and Unanimously declare war on the
RCC. After flying a SWAT team to deliver the message
to the pope who is outraged. All of Europe declares war
"on this supposed united States of America"

Social
Yahweh is DEAD! Magick has been proven!

100% of US converts to, Paganism, or Wicca along 50/50
lines. The pope knows this, it was eluded to in the
declaration of war

What will happen to Europe?

...yes, magick must exist because christains are nasty.