That is true. Is there a specific question you have about it?
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.
Answer:
I believe the answer is A.
Hope this helps!
Explanation:
The USA and the USSR had opposing views of government. Although all nations of the world after WW2 wanted peace, Stalin had other plans. To turn all the countries communist. Rather than the democratic government the USA wished for. Soon things got hot. Very fast.