We are the worlds largest producer of oil and gas and the worlds largest consumer of illicit drugs. The status of the dollar is not going to change any time soon. Mexican cartels can't switch to the yuan can they? Are American junkies going to start exchanging their USD for yuan to buy drugs with?
As far as the Euro, take a look at it, it's shitting the bed. So china holds massive debt in dollars, what would that be worth if the dollar collapses?

We have been:

New Wyoming Lithium Deposit could Meet all U.S. Demand By John Daly - Apr 29, 2013,

And while you're at it, get out of the rest of the world as well, with your military bases and your invasion forces.

Because the leaders in your country like the protection provided by the American taxpayer, don't worry though Trump is going to make you pay for your own security, that will be great won't it?