Complex sentence: Sargon of Akkad, (2333--2279 BCE) is believed to have saved the Sumerian civilization from total collapse, around 2300 BCE, Sargon assembled an army of 5,000 soldiers which made use of domesticated animals in battles for example donkeys were employed for pulling chariots.
Split into simpler sentences: Sargon of Akkad, (2333--2279 BCE) is believed to have saved the Sumerian civilization from total collapse. Around 2300 BCE, Sargon assembled an army of 5,000 soldiers which made use of domesticated animals in battles for example donkeys were employed for pulling chariots.