[["The Great Wall of China was built to protect China from its enemies and invaders from the North, especially the Mongols. The Mongols were a tribal group that would regularly conduct raids into China. All the walls were built for the purpose of military defense, and this was no exception.", 73.0], ["It was primarily built as a way to deter Mongolians from attacking China.\n", 72.0], ["To separate the North with the South", 2.0]]
why did china build the wall
history,china