Complex sentence: This impacted the international relations of Tehran with regards to policies in the South Caucus, and consequently, Iran transformed from a neutral position to one actively supporting Armenia against Azerbaijan during the Nagorno-Karabakh conflict.
Split into simpler sentences: This impacted the international relations of Tehran with regards to policies in the South Caucus. Consequently, Iran transformed from a neutral position to one actively supporting Armenia against Azerbaijan during the Nagorno-Karabakh conflict.