Spring and Autumn Period and Warring States Period in China

the Warring States period (of both Chinese and Japanese history)

part, portion / copy of a newspaper or book

a warring state / Short for 戦国時代 (sengoku jidai): a Warring States period

spring and autumn / (metonymically) a year; (by extension) one's age

the Spring and Autumn Annals

spring and autumn / (metonymically) a year; (by extension) one's age

history / the study of history

age, era, period (of time) / the times, spirit of the age / antiquity / a time in one's life, one's days (in college etc.)

(historical or contemporary) any of several kingdoms, empires, or states of the Chinese people