 Complete the following phrase:  Garegin or Karekin Pastermadjian classical , better known by his nom de guerre Armen Garo or Armen Karo Արմէն Գարօ; 9 February 1872  23 March 1923 was an Armenian nationalist activist and politician. Armen Karo was a leading member of the Armenian Revolutionary Federation for more than two decades. He was one of the masterminds of the 1896 occupation of the Ottoman Bank in response to the 