Answer:
Archaic Time Period
Explanation:
The way of life flourished from 2200 BCE to 700 BCE, during the Late Archaic period.
Was a battle of the First World War<span> fought by the armies of the </span>British<span> and </span>French<span> empires against the </span>German Empire<span>. It took place between 1 July and 18 November 1916 on both sides of the upper reaches of the </span>River Somme<span> in France</span>
This depends on the time period but the only time that they spread their influence they didn't do it nicely so i would say the firearm ,"GUN" is the invention that helped them <span />
False the Ice Age caused parts of it to be split into two parts i hope this helps :)