Shi Huangdi
Hope that helps
Three famous daimyo spearheaded the unification in the late sixteenth century. And then, after the great Battle of Sekigahara in 1600, one man took control of all Japan. He was Tokugawa Ieyasu, who became shogun in 1603. ... Both sides of the Tokugawa years were crucial to the later making of modern Japan.
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.