Complex sentence: In 1990, Mboumbou Miyakou was promoted to the position of Minister of Territorial Administration and Local Collectivities; his portfolio was altered in March 1994, when he was appointed as Minister of the Interior, Local Collectivities, and Mobile Security.
Split into simpler sentences: In 1990, Mboumbou Miyakou was promoted to the position of Minister of Territorial Administration and Local Collectivities. His ministerial portfolio was altered in March 1994, when he was appointed as Minister of the Interior, Local Collectivities, and Mobile Security.