Natural disasters in China divine retribution: "tianzai" (天災), literally 'heavenly disaster'. In ancient beliefs, natural disasters were seen as Heaven’s response to immoral human behaviour, whereby the conduct of different individuals carried different weights. While the behaviour of common people ranked last, the actions of bureaucrats had a greater effect. Given that in Imperial China the emperor's behaviour was believed to be the most important, popular belief was that the emperor should attempt to prevent disasters by ensuring his conduct was in following with moral codes – and if a disaster should occur, he was responsible for addressing the consequences. According to the Overseas
Los Angeles flood of 1938 structures spared parts of Los Angeles County from destruction, while Orange and Riverside Counties experienced more damage. The flood of 1938 is considered a 50-year flood. It caused $78 million of damage ($ in dollars), making it one of the costliest natural disasters in Los Angeles' history. In response to the floods, the U.S. Army Corps of Engineers and other agencies began to channelize local streams in concrete, and built many new flood control dams and debris basins. These works have been instrumental in protecting Southern California from subsequent flooding events, such as in 1969 and 2005, which both had