11.   The recent economic skid and the escalating Israeli security tactics are the most obvious and immediate triggers of Palestinian anger.

12.   Palestinian anger also is fed by the prolonged security blockade that keeps their workers out of Israel.

13.   Palestinian anger has been fueled by the settlement-building policies of the Netanyahu government.

14.   Palestinian anger over the stalled negotiations has been running high, and Palestinian leader Yasser Arafat has warned of a possible new Palestinian uprising against Israel.

15.   Palestinian anger was already running high over the year-long deadlock in the Israel-Palestinian peace process.

16.   Palestinian anger was fueled this week by Israeli rocket attacks on the West Bank and Gaza and warnings that Israeli troops might re-enter Palestinian-controlled areas.

17.   Palestinian anger over attack.

18.   Palestinian anger over the housing project led to a breakdown in Israel-Palestinian talks and weeks of rioting in the West Bank.

19.   Again much of the Palestinian anger was because Netanyahu refused to negotiate the percentage in advance.

20.   But in September, after months of deadlock in negotiations and Palestinian anger running high, Palestinian police and Israeli troops engaged in three days of deadly gun battles.