Complex sentence: Trapier was promoted to brigadier general on October 21,1861, and was given command the District of Middle and Eastern Florida from November 5 until March 14 of the following year.
Split into simpler sentences: Trapier was promoted to the rank of brigadier general on October 21,1861. He was given command the District of Middle and Eastern Florida from November 5 until March 14 of the following year.