Complex sentence: The founding of Maduro's Bank was intimately tied to the industrialization of Curaçao, predominately from the establishment of the Isla Oil Refinery in 1918, at the time the largest refinery in the world.
Split into simpler sentences: The founding of Maduro's Bank was intimately tied to the industrialization of Curaçao, predominately resulting from the establishment of the Isla Oil Refinery in 1918. The refinery was at the time the largest refinery in the world.