The answer that best applies to both the Tang and Song dynasties would be C. A Reliable food production and distribution system. This gave both dynasties the ability to thrive.
I’m pretty sure this is true I did some research and it says they became a free state in 1820
A watershed event in modern European history, the French Revolution began in 1789<span> and ended in the late 1790s with the ascent of Napoleon Bonaparte.</span>
Answer:
they were both famous scientist.