The right answer is “show the wealth of patrons”. In the Renaissance, a patron was a wealthy person who sponsored an artist for their work. For example, the Medici Family was one of those, they were a famous family from Florence who ruled and supported of the arts. Lorenzo the Magnificent, a famous member of it, is well-known for sponsoring Italian artists such as Michelangelo and Botticelli.
So, when were talking about a market order, we are talking about buying or selling an order to immediately at current market prices. So, we might want to imagine a scenario when the current market prices drop. However, we would always, in any scenario prioritize certainty of execution over the price of execution. The order is filled at the best price available at the relevant time.
During the 1500s, the Catholic church was often criticized by reformers because it abused its powered and sold indulgences.