Original sentence: In response to Tokayev's request, the Collective Security Treaty Organization (CSTO) – a military alliance of post-Soviet states that includes Armenia, Belarus,  Kyrgyzstan, Russia, Tajikistan, and Kazakhstan itself – agreed to deploy troops in Kazakhstan with the declared peacekeeping mission
Edited sentence: In response to the unrest, the Collective Security Treaty Organization (CSTO) – a military alliance of post-Soviet states that includes Armenia, Belarus,  Kyrgyzstan, Russia, Tajikistan, and Kazakhstan itself – agreed to deploy peacekeeping troops in Kazakhstan