Maybe age. I’m just guessing, But. Kinda thinking gender, Because females and males would be spilt up due to gender
They were nomadic. They moved in search of food, resources and shelter.
While being about to die, Chandra Gupta told his son Samudra " to rule the whole world". And he tried to do it, he ruled for almost 45 years and his reign was considered a military campaign. "He waged war along the Ganges plain" defeating nine kings and getting their territory. He built the Gupta Empire.