Based on Macmillan Achive textbook World history since 1500 based on historical materials " Milestones of the Past Century " A Changing Global Landscape 1950- Present " Please explain what was Cold War? What was the global significance of Cold War? Provide a detailed thorough definition with relevant time frames/ dates.

Based on Macmillan Achive textbook World history since 1500 based on historical materials " Milestones of the Past Century " A Changing Global Landscape 1950- Present " Please explain what was Cold War? What was the global significance of Cold War? Provide a detailed thorough definition with relevant time frames/ dates.