Suppose The Great Wall of China is a series of fortifications made of stone, brick, tamped earth, wood, and other materials, generally built along an east-to-west line across the historical northern borders of China to protect its empire. Originally conceived by Emperor Qin Shi Huang in the third century B.C., the Great Wall is one of the most impressive architectural feats in human history.
Can we infer that "The Great Wall of China was built to protect China from naval invasions."? Yes, no, or maybe?