The Great Wall of China is 374 of age hope this help
Option c would be the most befitting one.
The answer is D, both are 12
The farmers in the area are mostly subsistence farmers, as the region is very hot, and arid,making agriculture unviable. as a result there is famine and drought in the area, as well as nutritional issues.
It was called B. Kingdom of Serbs, Croats and Slovenes