sentences:  He decided to start a movement and relied on his old students to spread his views on Islamic dogma, prodding many to take jobs at the JNI and enter into legislative duties.He used his students as a foundation for the new movement to challenge the Sufi brotherhoods and ensure a return of Islam to a fundamental way.The rise of this movement "Izalatul Bidi'a Wa Ikamatul Sunnah" or "Movement for the Rivival of the Sunnah", popularly called Izala, heralded the radicalization of Northern Nigeria.