Note 4,

Note 4: "Sima Fa" has an extremely wide scope of discussion, basically involving all aspects of military affairs; it also expounds the principles of using and managing troops in ancient times. It is related to "Sun Tzu", "Wu Zi", "Sima Fa", "Wei"

"Liaozi", "Three Strategies", "Six Tao" and later "Li Weigong Questions and Answers" are collectively known as the Seven Books of Martial Arts.

Note 5,

Note 5: The Pei people once lived in the Ulanhot area of ​​Inner Mongolia as a minority. They have fair skin, so they are also called Bai Pei. See "New Book of Tang".

Note 6,

The weak Luoshui River, that is, the Saramulun River, is between the Wengniute Banner and the Balin Right Banner in Chifeng, Inner Mongolia. The Taimi River's original course is near today's Baicheng.

Note 7,

Mohe. In today's Jilin, Heilongjiang and the Sakhalin Island occupied by Russia, it was once a great power in the late Sui Dynasty.

Note 8,

Yellow sheep. The scientific name is Mongolian gazelle. It was once widely distributed in the Inner Mongolia region of my country. Its body length is 100 to 150 centimeters and its weight is generally 20 to 35 kilograms, but the largest one can reach 60 to 90 kilograms. It was once the main food of grassland herdsmen in winter. , now on the verge of extinction.

Note 9,

In the Sui Dynasty's Battle of Nanchen, the commander of this battle was Yang Guang, and the actual commander was the veteran Gao Ying.

Note 10,
Chapter completed!