How long did it take for populations to grow back after the black plague?

How did kenya gain its idpendence in 1963

What would you call a political system that is only meant to last for a short time

The development of simple stone tools by early hominids led to the ability to procure meat more efficiently. this in turn led to the change in diet that included larger amounts of protein. many scholars believe that this shift in diet was a significant part of how our ancient ancestors adapted so quickly to a varied set of environments, and thus were able to begin cultural development. this demonstrates the intimate connection between