How did primitive people use the spear?

The spear was used by primitive people for hunting. It had a sharp tip, so it was convenient to throw it into prey. Also, the spear was used for close combat. There were spears that were used by the infantry, cavalry, and guards. The spear was a symbol of belligerence, aggression. For Christians, it was also a symbol of an unjust judgment over someone, a crucifixion. The most famous was the spear of Longinus, which killed Jesus Christ.