Who was the biggest enemy of Kurds

The top 4 enemies of Kurds:

1. Mustafa Kemal Ataturk (biggest reason which caused the situation Kurds are in by blocking Kurds of getting a own country)
2. Recep Tayyip Erdogan
3. ISIS
4. Beshar al-Assad

Ofcourse the Turkish Republic (assimiliation projects since the Ottoman time) and Iranian Shia government which attrackted Kurds to their own ranks where the biggest enemies of Kurds and their unity.