It was re-organized in the 1970s, after the formation of the SPUSA by activists who had been members of the much larger Socialist Party of America.
ɪt wʌz ɹˌiːˈɔːɹɡənˌaɪzd ɪnðə nˈaɪntiːnhˈʌndɹɪd sˈɛvənti z, ˈæftɚ ðə fɔːɹmˈeɪʃən ʌvðə spjˈuːsə baɪ ˈæktɪvˌɪsts hˌuː hɐdbɪn mˈɛmbɚz ʌvðə mˈʌtʃ lˈɑːɹdʒɚ sˈoʊʃəlˌɪst pˈɑːɹɾi ʌv ɐmˈɛɹɪkə.