Original sentence: Supporters assert that the barrier is a necessary tool protecting Israeli civilians from Palestinian terrorism, including suicide bombing attacks, that increased significantly during the al-Aqsa Intifada; it has helped to significantly reduce incidents of terrorism from 2002 to 2005; its supporters assert that the onus is on the Palestinian Authority to fight terrorism
Edited sentence: Supporters assert that the barrier is a necessary tool protecting Israeli civilians from what they see as Palestinian terrorism, including suicide bombing attacks, that increased significantly during the al-Aqsa Intifada; it has helped to significantly reduce incidents of terrorism from 2002 to 2005; its supporters assert that the onus is on the Palestinian Authority to fight terrorism