Improve the coherence in the following paragraph
Daepyeong was an important settlement in the Mumun economic system, but as with many simple chiefdoms, it began to decline and then collapsed. The area was likely depopulated at the end of the Late Mumun, circa 550-500 BC.
Daepyeong was an important settlement in the Mumun economic system, but as with many simple chiefdoms, it began to decline and then collapsed. The area was likely depopulated at the end of the Late Middle Mumun, circa 550-500 BC.