When the so-called palace economies of the “bronze age” disappeared in the 1400 b. c. to 1000 b. c. timeframe, drastic rainfall decrease was a cause as admitted by the uniformitarians, climate change though because the Ice Age began to end circa 1500 b. c., when the sea level rose a few hundred vertical feet during about a century, submerging landmass worldwide equivalent to the area of Africa.