Complex sentence: In both 1777 and 1778, the Arkansas Post was partially inundated during spring flooding, leading the captain, Balthazar de Villiers, to write the Spanish governor of Louisiana, Bernardo de Gálvez, requesting the post be moved upriver.
Split into simpler sentences: In both 1777 and 1778, the Arkansas Post was partially inundated during spring flooding. The captain, Balthazar de Villiers, wrote to the Spanish governor of Louisiana, Bernardo de Gálvez, requesting the post be moved upriver.