None of the responses are correct. The purpose of the Great Wall of China was to protect China from invasions and raids by nomadic groups from the north, such as the Mongols and the Xiongnu.
The purpose of the Great Wall of China was to keep out warring nomads from northern China. To find this answer, you can approach it in different ways. One option is to have prior knowledge or general awareness of history, as the function of the Great Wall is a widely known fact. Another option is to conduct a quick internet search using a reliable source such as encyclopedia articles, historical documentation, or academic research to verify the purpose of the Great Wall. These sources will provide accurate information about its historical context and the reasons behind its construction.
The purpose of the Great Wall was to keep out warring nomads out of northern China.
