The major material advantage, financial advantage from having a reserve currency is that between 200 and 300 billion dollar bills, that may be twenty, fifty, hundred dollar bills as well as ones, exist in the world - a lot of them in Russia as you all know I'm sure.
Just when all seems to be going right, challenges often come in multiple doses applied simultaneously. When those trials are not consequences of your disobedience, they are evidence that the Lord feels you are prepared to grow more. He therefore gives you experiences that stimulate growth, understanding, and compassion which polish you for your everylasting benefit.