Replace the question mark with a letter that best completes this cause/effect diagram.

The formation of NATO


The creation of the Warsaw Pact


Conflicts around the globe



?
General peace in Europe
Formation of allies in Asia
Ongoing conflicts between superpowers
Formation of transatlantic partnerships

Conclusion: General peace in Europe


The formation of NATO


The creation of the Warsaw Pact


Conflicts around the globe


Ongoing conflicts between superpowers

N
Formation of allies in Asia
Formation of transatlantic partnerships

In the given cause/effect diagram, the letter "N" would best complete the diagram to represent ongoing conflicts between superpowers, which can lead to general peace in Europe.