I'd say, there are many ways to answer this. The best way is to use wikipedia and other web pages similar to that.
Ancient Greece was divided into a collection of city-states (or Polis) because the population centers were isolated by the many islands, peninsulas and mountains that Ancient Greece had. Because of its geography, it made more sense for each Poli to have a government on their own.
Black and white abolitionists often had different agendas by the 1840s, and certainly in the 1850s. But one of the greatest frustrations that many black abolitionists faced was the racism they sometimes experienced from their fellow white abolitionists. In many cases, within the Garrisonian movement in particular, the role of the black speaker or the black writer or the black abolitionist was, in some ways, prescribed, as the famous case of Frederick Douglass' relationship with the Garrisionians.
<span>The Garrisionians wanted Douglass to simply get up and tell his story, to tell his narrative on the platform.</span>