Subject is beer since thats what you are taking about.
The phrase is stating that a declaration consists of the basic human rights. These rights include right to property, pursuit of happiness, etc. The phrase says that the declaration might be approved by the general assembly through vote.
Overall the phrase states that this declaration is an achievement for mankind and is declaring equality between humans. It is an achievement because it marks the first time something like this has been put into place.<span />
The answer is "In your home" as the prepositional phrase, as "In" is the prepositional part, and "home" is the object of the prepositional phrase,