Which statement best expresses the central idea of the presentation?

Which statements best describe the impact of Mikhail Gorbachev's policies on the end of the Cold War? Select two options.

PART A: What does the Berlin Wall symbolize in the context of the Cold War?

PART B: Which sentence from the presentation best supports your answer to Part A?

Complete the table to show the category of each factor contributing to the end of the Cold War.