Original sentence: In June 2000, the North Caucasian Chechen separatist-led Islamic opportunist assassins added bombing to their tactics in their assault on the Russian people to satisfy their oligarchic ends with more than dubious stability and the threat of ancient Islamic repression
Edited sentence: In June 2000, the North Caucasian Chechen separatist-led Islamic opportunist assasins added bombing to their tactics in their assault on the Russian people to satisfy their oligarchic ends with more than dubious stability and the threat of ancient Islamic repression