Islamist revival movements gained followers across the Muslim world, but failed to secure political power except in Iran and Sudan.
( ( Islamist ( revival movements ) ) ( ( ( ( ( ( gained followers ) ( across ( the ( Muslim world ) ) ) ) , ) but ) ( failed ( to ( ( secure ( political power ) ) ( except ( in ( ( Iran and ) Sudan ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Islamist) (NN revival) (NNS movements)) (VP (VP (VBD gained) (NP (NNS followers)) (PP (IN across) (NP (DT the) (JJ Muslim) (NN world)))) (, ,) (CC but) (VP (VBD failed) (S (VP (TO to) (VP (VB secure) (NP (JJ political) (NN power)) (PP (IN except) (PP (IN in) (NP (NNP Iran) (CC and) (NNP Sudan))))))))) (. .)))
The Muslim world allowed the Islam revival movements to continue.
( ( The ( Muslim world ) ) ( ( ( allowed ( the ( Islam ( revival movements ) ) ) ) ( to continue ) ) . ) )
(ROOT (S (NP (DT The) (JJ Muslim) (NN world)) (VP (VBD allowed) (NP (DT the) (NNP Islam) (NN revival) (NNS movements)) (S (VP (TO to) (VP (VB continue))))) (. .)))