Final answer:
The official motto of Brooklyn, 'Unity Makes Strength', is derived from the Dutch language, highlighting the timeless value of unity across cultures and societies.
Step-by-step explanation:
The official motto of Brooklyn, which translates to "Unity Makes Strength", is derived from an early modern version of the Dutch language. This phrase exemplifies the historical importance of unity and strength in various cultures and societies, such as the Iroquois Nation mentioned by Benjamin Franklin, and the symbolism found in Norman Sicilian coins depicting power and unity. The concept of unity being a source of strength is also reflected in other contexts such as community posters in London and discussions regarding language and identity in the United States.