You cant shield yourself from a whole continents collapse.
Europe is too big of a market.
US is already in bad enough shape, them crashing is highly likely to crash us.
Russia, china, and some other countries have deals and are in good shape, so they would likely survive, but we wont likely fair so well.
But we like to always think we are immune from everything.
Of course Russia and China have their own problems growing, but its another topic. Read more.....