What were the causes, main events, and effects of the early Cold War?

The cold war main event was power for supremacy over nuclear weaponry over the US and The USSR or the soviet union the cause was  Russia backing North Korea which was a communist country and enemy with US so that made US angry and the effect was the start of the Cold War  

Explanation:

food chain i would say only because there is competition on getting food and survival

the two things that develop a strong social foundation are: a. separation of church and states e. education received attention separation of church and states separate the illogical  argument that came from religious beliefs to a fact based belief. while education will make us remember the past to avoid the repeat of our mistakes.