The Guardian:

Crosby, Stills, Nash and Young’s remarkable single is arguably the perfect protest song: moving, memorable and perfectly timed. Shortly afterwards, the NME’s Ritchie Yorke predicted: “There will almost certainly be a trend towards very politically oriented pop acts in the very near future. Entertainment for the revolutionary troops, so to speak.” But Ohio turned out to signify the end of the fertile period of political songwriting that had begun with Bob Dylan, rather than a thrilling rebirth.