There were a few issues with the tang dynasty after 830's. Some of the main issues were power, strength and court.
The Tang Dynasty
There was no Tang dynasty. Are you referring to the Shang dynasty? I can answer that.
No the Tang Dynasty did. No the Tang Dynasty did.
The Song Dynasty was established after the Fall of Tang.
They made the Tang Dynasty lose everything.
what land was included in the tang dynasty
Tang Taizong is a emperor from the tang dynasty. He was open minded and compassion towards situations between his dynasty and the Sui dynasty.
They weren't called the "tang" dynasty for nothing.
Later Tang Dynasty was created in 923.
Liu Can - Tang Dynasty - died in 906.
Apex- The tang dynasty Your very welcome :]
The Song Dynasty