International terrorism DB

300 words answer the question, use the link below as a reference for in text citations and the reference list. APA format

https://worldview.stratfor.com/analysis/iraq-examining-professed-caliphate

In review of current Mideast conflict: On June 29, the Islamic State in Iraq and the Levant announced that it was changing its name to simply the Islamic State and that it was re-establishing the caliphate -- an Islamic empire that once spanned much of the Middle East, explain their growth over this past year/s.