By what principle were the armies formed in the era of the Thirty Years War? How were they funded?

At that time, mercenary armies were widespread in Europe. Thus, the need to constantly maintain an army disappeared. Large feudal lords paid for the services of mercenary armies during the war. One way or another, but very soon it was decided to refuse the services of mercenary armies, since they most often represented an uncontrollable force.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.