Explanation:
The Cold War was an ongoing political rivalry between the United States and the Soviet Union and their respective allies that developed after World War II. ... It was waged mainly on political, economic, and propaganda fronts and lasted until 1991.
C. Brown V Board of Education
The point that is considered the starting point of the fall of Tang Dynasty is during Emperor Mu Zong reign, around the year of 821-824. He is known for his high-spending, alcoholics habits and as neglectful emperor.
The correct answer is The fall of the Tang Dynasty began with lack of leadership.
