It promoted the (relatively) rapid diffusion of immigrants, language, and domesticated crops and animals. Those factors are examined in excellent detail in Jared Diamond's book, "Germ, Guns and Steel" which I highly recommend for anyone studying the development of world cultures. It's a long read, but well worth it.
Answer:
A and B -----> A Bill of Rights and Article I, II, and III to separate powers in the government
Explanation:
The communists won the Civil War on October 1st 1949