I’m doing a project on The Berlin crisis of 1961 and I’m having a difficult time comprehending what I’m working on.?

May someone please explain the ultimatum between the soviets and the United States and was the Berlin crisis a result of the Cold War or World war 2?

Popular: Top 5 the World-Famous Authors 5 the Most Famous World-Known Artists of Renaissance Critical Do’s and Don’t for Your Funky New Tattoo Top 5 World’s Greatest Modern Artists Top 5 the Most Visited Art Museums in the World