Secular nationalism's failure enabled political Islam's resurgence [causal]
All in all, Islamic revivalism might have been confined to the dustbin of history had it not been for the collapse and defeat of secular nationalism in the late 1960s and early 1970s. It is to this failure that we turn next in order to understand the conditions that have allowed political Islam to develop and grow.
Deepa Kumar, Islamophobia and the Politi…, loc. 312