1. What pop star cancelled a media conference this week in light of the terrorist attacks?
Christina Aguilera Britney Spears Jennifer Lopez Jessica Simpson

2. Which sports league announced tighter security measures this week?
Major League Baseball National Football League National Hockey League World Wrestling Federation

3. In what state is the retreat known as "Camp David" located?
New York Delaware Virginia Maryland

4. Which country's independence day is usually celebrated on September 15?
United States Canada Mexico Afghanistan

5. What was the function of the World Trade Center?
Sports Arena Office Building Shopping Mall Entertainment Complex

6. Which government agency has the primary job of helping people recover after major disasters?
CIA FEMA FBI DEA

7. Which group of Americans have received threats since the terrorist attacks?
Christians Muslims Jews Buddhists