Original sentence: Their writing is an attempt to counter what they see as an appropriation of the word "terrorism" by elected Government officials and public news commentators when describing terrorism attacks on "the West", when most terrorist attacks are levied against non-Western states, and even, they allege, perpetrated by "the West"
Edited sentence: Their writing is an attempt to counter what they see as an appropriation of the word "terrorism" by mainstream Government officials and public news commentators when describing terrorism attacks on "the West", when most terrorist attacks are levied against non-Western states, and even, they allege, perpetrated by "the West"