Answer:
Environmental instability may have been a factor not only in shaping adaptations but also in contributing to the extinction of some lineages. Environmental variability associated with the extinction of large mammal species has been proposed for the southern Kenya region.
During the period of the crusades warfare between Muslims and Christians lasted nearly 200 years.
Hope this helps. :)
Trading states of west Africa
Historians Dated the fall of Rome when <span>Odoacer took control. </span>
