The optimism of the first decade was accompanied by a growing sense of inequality among many Afro-Jamaicans, and a concern that the benefits of growth were not being shared by the urban poor, many of whom ended up living in crime-ridden shanty towns in Kingston. This, combined with the effects of a slowdown in the global economy in 1970, led to the voters electing the PNP under Michael Manley in 1972. The PNP won 37 seats to the JLP's 16.