This may help you....
<span>Assuming that this is referring to the same timeline that was posted before with this question, the correct response would be that the development of agriculture led to increases in productivity and civilizations, since the major civilizations of the world all come after this time period. </span><span>
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Answer:
moving from one place to another...
the human beings then.. at last.
Hope it helps
If there is a lot of rain or earthquakes they can increase the likelihood of having landslides. hope this helps