Complex sentence: Aury assumed control of Amelia, created an administrative body called the "Supreme Council of the Floridas", directed his secretaries Pedro Gual and Vicente Pazos to draw up a constitution, and invited all Florida to unite in throwing off the Spanish yoke.
Split into simpler sentences: Aury assumed control of Amelia, creating an administrative body called the "Supreme Council of the Floridas". He directed his secretaries Pedro Gual and Vicente Pazos to draw up a constitution, and invited all of Florida to unite in throwing off the Spanish yoke.