Why did the ancient kingdom of Goryeo say that the Sui and Tang dynasties were difficult to gnaw?

Because China in the Sui and Tang dynasties was very powerful, leading the world in both economy and military, the ancient kingdom of Goryeo said that the Sui and Tang dynasties were difficult to gnaw.

Because during the Sui Dynasty, their military strength was very strong. It is very difficult to take down a battle. So he's a tough bone.

Because although their territory is small, their military strength is still very strong. That's why it's very difficult to fight.

Because the Sui and Tang dynasties were particularly strong at that time and were the world's superpowers, they were often eyed at them.

I think the main reason is the political strength of the rulers at the time, and the fact that their soldiers were very loyal.

Yes, during its heyday, Goguryeo almost occupied most of the Northeast and half of the Korean Peninsula. The military force is extremely strong, and the harsh environment makes the people fierce and the army quite combative.

Goguryeo during the Sui and Tang dynasties posed the greatest threat to the Central Plains Dynasty, which was due to their continuous southward invasion, and the Central Plains Dynasty had been fighting against him, but had never completely conquered them.

Goguryeo was not the biggest threat to the Central Plains, at that time the Tang Dynasty was strong and strong, and Goguryeo was just a small country.

It was not the biggest threat to the Central Plains Dynasty, it didn't have much ability at that time, and it didn't dare to provoke the Central Plains Court.

First of all, Goguryeo is different from the nomadic peoples in the north, not only deriving its own culture, but also a strong cohesive nation-state. After many years of interaction with the Central Plains regime, he began to gradually transition to farming, so he had an extreme desire for land. If left unchecked, it will inevitably pose a great threat to the Central Plains regime.

Because Goguryeo is in the northeast, there is the possibility of uniting the restored Turks, and at the same time, Goguryeo can threaten Youzhou and Beiting Metropolitan Protectorate through the future Shanhaiguan in the northeast. And then in a short period of time, the army came to the northern kingdom of the Tang Dynasty.

Because Goguryeo in the Sui and Tang dynasties, by sending envoys to the Tang Dynasty, brought the Sui and Tang cultures back to China, the national strength was fully developed, and there was a great threat to the Central Plains.