The 1960s witnessed a revival of anarchism, likely caused by a perceived failure of Marxism–Leninism and tensions built by the Cold War.
ðə nˈaɪntiːnhˈʌndɹɪd sˈɪksti z wˈɪtnəst ɐ ɹᵻvˈaɪvəl ʌv ˈænɚkˌɪzəm, lˈaɪkli kˈɔːzd baɪ ɐ pɚsˈiːvd fˈeɪlɪɹ ʌv mˈɑːɹksɪzəm lˈɛnɪnˌɪzəm ænd tˈɛnʃənz bˈɪlt baɪ ðə kˈoʊld wˈɔːɹ.