Depends on where you’re talking about. For example in Europe, Christopher Columbus was funded money after asking Queen Isabella. He told her about all the he would bring back to the country. So using that information, they would most likely request funding from royalty or people of high social classes.
Most of the school using a focus on breathing. This is the first stage of the meditation and consist and stop distractions and just concentrate on breathing. This helps the student to control their emotions and improve concentration.
I hope my answer can help you.