Spanish Euro dollar position strategic relationship america

Position Spanish - Expansion of Euro

Does Spain is in a privileged position or dangerous?
May be Spain is not the only country in the Euro mainstream in America, but it is who has the more easily because of the proximity of language and customs.
As advantage Obviously, it have the ability to put the euro on the Amercian continent and thus strengthen the euro as the currency of the world.

As disadvantage This makes it the main enemy of economic USA, since this violates the power that the United States has to issue its own currency under this issuance and control economic policy in countries whose reference your economy under the Dollar.
For this reason, can be set to Spain within the assumptions of conflict of the USA, who for economic reasons, have not had many doubts to face an armed conflict.