C would make sense because by not talking to other nations, there not a chance you would make war with one and another.
B. increase support for communism
The answer to your question would be: on margin.
Hope i could help :)
Voltaire's beliefs on freedom and reason is what ultimately led to the French Revolution, the United States Bill of Rights, and the decrease in the power of the Catholic Church, which have all affected modern western society?? sorry if i’m wrong ..