Which agricultural society emerged between 4000 and 2400 B. C.?

Four major agricultural societies emerged between 4000 and 2400 B.C. These were located in the areas of the Tigris and Euphrates rivers in Mesopotamia, the Nile River in Egypt, the Indus River in India, and the Huang He, or Yellow River, in China.

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the dust bowl, otherwise known as the dirty thirties, was a huge dust storm that killed multiple (and i mean  multiple) farmer's crops, leaving them homeless, and foodless, and jobless. in california, there were 5.7 million residents, and the population shrank as mexicans were repatriated. however, when the dustbowl happened, a lot of people began to move to california. by 1940, 250,000 people had arrived. therefore, your answer would be  the population increased, massively.  i hope this !

explanation:

lancelot said to the beautiful ellen i c u r a b u t l n (i see you are a beauty lancelot was the greatest and worst of the knights who became the king's champion and undertook quests in the king's name. he became the adulterous lover of queen guinevere, and they had a son named galahad.