Task: Translation
Input (English): Successfully defeating the impeachment will depend largely on the support of the military, for which he acted as chief until international pressure forced him to step down a year ago.
Output (Japanese): 軍の助けを借りたことが大きな要因となってうまく弾劾を退け、一年前に国際的な圧力が彼を辞任させるまで、彼はトップに君臨した。