What part of the world was the catapult used and why was it used?

rome and it was used for the war.

The greeks and romans used the catapult in warfare

During the paleolithic, hominins grouped together in small societies such as bands, and subsisted by gathering  plants  and fishing, hunting or scavenging wild  animals. the paleolithic is characterized by the use of knapped stone tools, although at the time humans also used  wood  and bone tools.

Iwould say all the above personally but i think the desert would be d