Based on the given events, which states that the building housed a mayor's office and a commissary, or <em>grocery store</em>, we can deduce that <em>some Hoovervilles</em> had basic public services and conveniences.
As a result of this, we can see that from the given facts about the Hooverville society, we can see that there was a building which had some basc public services which includes a mayor's office, and a grocery store, we can say that the Hooverville society had access to<em> basic conveniences.</em>
Therefore, the correct answer is option B
Read more about Hooverville society here:
brainly.com/question/14328833