What Strategy Was Pursued by Both General Ibrahim Babangida and General

What strategy was pursued by both General Ibrahim Babangida and General Sani Abacha to prolong their rule?

A) Both promised plans to return the country to civilian rule then regularly delayed the implementation of these plans.
B) Both converted themselves into civilian presidents by officially retiring from their military positions.
C) Both manipulated ethnic groups in order to maintain their rule.
D) Both set up "transitionary governments" that were meant to fail and thus allow the military to again intervene.
E) Both established single-party regimes under their leadership.