concept   fortification
culture   ancient China
statement   The Great Wall was built in ancient China to defend against invasions from northern nomadic tribes.
2 similar statements
# Concept Culture Statement Freq.
1 defensive fortifications ancient China Included the construction of the Great Wall to prevent invasions from northern nomadic tribes. 1
2 fortification ancient China The Great Wall of China is a famous fortification that was built to protect against invasions from nomadic tribes from the north. 1