Because Hitler invaded Poland
Answer:
They left to begin military training.
Explanation:
At the age of 7, Spartan boys were forced to leave their house and begin training known as the “agoge,” a state-sponsored regimen designed to turn young boys into skilled warriors and moral citizens.
They hunted and gathered their food. The nomads moved place to place and the Neolithic age they began to develop agriculture and herd their food
The main way in which the organization of the US government reflect the ideas of Enlightenment philosopher Baron de Montesquieu is that it operates solely on the principle of popular sovereignty--meaning that people elect other people to make choices for them. The state serves them, not the other way around.