the main crab that is invading the long island sound is the japeniese crab
The Great Wall of China
they used the great wall of china.......
Followed the order of Qin Shihuang, the Great Wall of China was constructed to keep the Xiongnu from invading from the north and the west.
that Tibet was legally a part of China
To prevent nothern tribes from invading China.
Cristopher Columbus still thought till the day he died that he had found a new route to Asia, when he had found central America (he thought that the island of Cuba was Japan).
Not invading Rome when he had the chance.
because that's where they had wars at and to keep out people from destroying or invading china.
China isn't an island.
Hainan Island is the biggest island in China, located in the South China Sea.
To protect China from invading Mongolians.