Complex sentence: Culturally, the Leeward islands have deep connections with the South American mainland, especially Venezuela, and its population speaks a Portuguese-Dutch creole language called Papiamento; the Windward islands are part of the English-speaking Caribbean.
Split into simpler sentences: Culturally, the Leeward islands have deep connections with the South American mainland, especially Venezuela, and its population speaks a Portuguese-Dutch creole language called Papiamento. The Windward islands, on the other hand, are part of the English-speaking Caribbean.