I believe that would be the fault line.
Hope it helps!
Capitalist economic relations were considered free because private individuals or businesses were given the freedom to choose what goods and services they would want to market or produce, where they would want to invest, and at what prices should they set on their goods and services, depending of course, on the supply and demand of the economic market.
The coup d'etat of South Vietnamese President Ngo Dinh Diem that resulted in his assassination was accomplished by Henry Cabot Lodge, Jr. and the CIA. The Central Intelligence Agency of United states of America was fully aware of the incident that was going to take place and they decided to inform the people making the coup that USA will alienate itself from this incident.