Definitely, other allies of the United States of America will follow suit if bitcoin strategic reserved is established because since US is the world power, most countries will also like to be part of any decisions the US makes. As for Germany, despite that they sold their bitcoins some time ago but it won't be much of a problem to them if they will be buying back at higher prices. Having bitcoin as a national reserve currency will be very beneficial to any country that will adopt bitcoin, even if the results will be more visible in the long run. Anyone or country who sold bitcoins in the past don't need to regret much if they can buy back and hodl again, the future of bitcoin holds more greater achievements than what we see now.