ɪn nˈaɪntiːnhˈʌndɹɪd fˈɪfti sˈɪks ðə nˈʌmbɚɹ ʌv kɹˈaɪmz pˈʌnɪʃəbəl baɪ dˈɛθ wʌz ɹᵻdˈuːst ænd mˈændətˌoːɹi ɹᵻvjˈuː ʌv sˈɛntənsᵻz wʌz ˌɪntɹədˈuːst.
In 1956 the number of crimes punishable by death was reduced and mandatory review of sentences was introduced.