Sometimes it can be the way life is and setup
Answer:
Those supporting the idea of a European Civil War contend that the heads of state in many European nations were so closely related as to constitute branches of the same family. European culture is also relatively homogeneous, with most nations tracing the roots of their culture to two principal sources, namely Christianity and classical antiquity. While separate, their respective legal systems were remarkably similar and evolved to become more so over time.
Explanation:
It was a United States foreign policy document. It stated that if European nations tried to colonize land or interfere with states in north or South America it would be seen as acts of aggression which then required us intervention