Turkey wanted to take over Iraq and Syria, as much as he could get of each. If he wins the Referendum April 16th the Middle East is in big trouble.
There is a lot happening behind the scenes in Syria right now. Soon, probably in 2-3 weeks, the final assault on Raqqa will begin. It will not be easy, but ISIS will be defeated. Now, it is not like they are setting and waiting. Not at all. Each day the SDF is still taking villages and preparing. Much activity.
Erdogen believes he is the new caliph, sultan of Ottoman.