Complex sentence: Three years later, after the death of Governor Pedro Hidalgo, he was appointed acting governor of the city, in charge of administration and food supply, while Admiral Blas de Lezo held the military command.
Split into simpler sentences: Three years later, after the death of Governor Pedro Hidalgo, he was appointed acting governor of the city. He was in charge of administration and food supply, while Admiral Blas de Lezo held the military command.