international terrorism

Why are the events of the 1972 Munich Olympics significant in the history of terrorism? Explain how the events shape the future of international terrorism from the perspective of terrorists and counter-terrorism?
In Sageman Chapter One (last weeks reading), the author identified three levels of analysis related to terrorists and terrorism.  Discuss the strengths and weaknesses of each level of these analyses. reference these two books:

Leaderless Jihad (Sageman)
The Psychology of Terrorism (Horgan)