The main events that marked the end of the Cold War were the fall of the Berlin Wall in 1989 and the breakup of the Soviet Union in 1991.
The Berlin Wall had been the main symbol of the Cold War. It had kept people from Eastern Europe, which was communist, from escaping to the West. When the Wall came down (along with other border barriers) it meant that people in the East could now leave. This pretty much meant the communist system was dead.
The death was confirmed in 1991 when the Soviet Union fell apart. This made the remainder of the country (mostly what is now Russia) much weaker. It also marked the end of communist rule.
Rome capital of the Roman empire
I am assuming you meant risk, not fish.
portfolio of with a high percentage of stocks. Stocks are a person's share in a company, giving them profits or losses based on a company's performance. Stocks are highly risky due to the unpredictable performance in the stock market, prices can rise or drop fast. However, the returns of the stocks are higher compared to other financial instruments.
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Can you give you information?
One of the things that President Johnson did that stunned political backers after he took office was that he dramatically changed his views on Reconstruction, since he proved to be far more lenient on the South than he had implied he would be.