"Crisis", it is only when there is "danger", that there is "opportunity".
Without such opportunities, commoners and nobles will forever be two separate classes.
The highest mobilization order from Chris the Ninth cleared the judicial obstacles for commoners to become nobles.
Theoretically speaking, if one dares to take risks during the war and achieves brilliant feats, they can achieve a leap in life.
Whether one could cross over, still depended on luck. Quite a few noble families owed their rise to their ancestors succeeding in doing so.
Thrive, decline, rebound, decline…
As long as the family doesn't perish, this cycle continues.
There is no family in this world that can flourish forever. Even the so-called ancient nobles claiming thousands or tens of thousands of years of lineage probably only left a family name as their legacy.
Gold coins and gold products are easy to handle. Their values are clear at a glance and can be divided directly.