The correct answer is D) The fall of the Berlin Wall and the collapse of the Soviet Union marked the final chapter in the Cold War.
The best thesis statement to introduce an essay on the factors that led to the conclusion of the Cold War is "The fall of the Berlin Wall and the collapse of the Soviet Union marked the final chapter in the Cold War."
Let's remember that a good essay must start with a powerful thesis, That is why we pick "The fall of the Berlin Wall and the collapse of the Soviet Union marked the final chapter in the Cold War."
After many years of differences, conflicts, problems, and threats, the Cold War years ended with those above-mentioned events. During the Cold War, the Soviet Union wanted to spread Communism all over the world, while the US tried to establish the policy of containment. During these years, the Soviet Union supported North Korea and North Vietnam, while the US supported South Korea and South Vietnam.