The correct answer is the following.
The correct matches are:
1) San Francisco: earthquake.
2) Mississippi River: Great Flood of 1993.
3) Branch Davidian Compound: Waco, Texas.
4) Marines killed in Lebanon: 241.
5) hijacking jets, kidnapping: terrorist activities.
6) an island in the Caribbean invaded by the United States: Grenada.
7) terrorist bombings in the United States: World Trade Center and the Murrah Federal Building.
8) Panamanian dictator: Manuel Noriega.
9) The United States and the Soviet Union: Cold War.
10) Perestroika: restructuring.
We are referring to the many incidents that the United States has lived in the last 70 years after World War II. These incidents have affected -one way or the other- the United States foreign policies, social stability and security, and the defense of other countries liberties. From the Cold War years until the terrorist attacks of Septembre 11, 2001, these incidents have been ingrained in many generations and shows how the US troops have acted in many ways to preserve freedom and democracy in the country.