To determine what the Vogel's artworks communicated about their historical interests, we need to consider the information provided in the question. The given options are as follows:
1. They collected works that were culturally popular.
2. They collected works that depicted revolutions.
3. They collected works that depicted the history of cities.
4. They collected works that supported new, unusual artists.
Based on these options, it appears that the Vogel's artworks communicated their historical interests by collecting works that supported new, unusual artists. This suggests that they were interested in showcasing emerging talent and possibly contributing to the evolution of the art world. While the other options may also hold some truth, the focus on supporting new and unusual artists seems to be the most significant aspect of their historical interests as conveyed through their collection.
