Yo Zhou. The Chinese saw their country as the center of the civilized world , their own name for China was the Middle Kingdom . They believed that people who lived outside of Chinese civilization were barbarians . .
Think Pair Share Question and swords. They also used it for common agricultural tools such as sickles, knives, and spades. Since iron is stronger than bronze, iron tools made farm work easier and more productive. The ability to grow more food helped Zhou farmers support thriving cities.