"The pressure of Parkes" would not have affected Saigo before his meeting with Katsu and Saigo; rather the statements of Parkes were presented to Saigo after the meeting.
「パークスの圧力」は勝・西郷会談の前に西郷へ影響を与えたというよりは、会談後に西郷の下にもたらされたのではないか。