You might think of proposing a solution as a double-layered argument: first, you must argue that a problem worthy of attention or action exists and, second, that a particular solution will best solve it. The goal is not necessarily to convince readers that only one solution is possible, but that a particular solution to an important problem has merit.
Pick a German artist or architect, or a German work
Pick a German artist or architect, or a German work of art or architecture, and do a bit of research. (Certainly, musicians are “artists” too, but we will devote an entire discussion to them alone and their works in a couple weeks so let’s focus here just on art