As the rift Quarreling between the two brothers and their respective camps widened Expansion , al-Amin declared Expressing_publicly his own son Musa as his heir and assembled Cause_to_amalgamate a large army .

The capture Conquering of rebel leader , Field Marshal Dedan Kimathi , on 21 October 1956 , signalled the defeat Conquering of the Mau Mau , however , the rebellion survived Preserving until after Kenya 's independence from Britain , driven Motion mainly by the Meru units led by Field Marshal Musa Mwariama and General Baimungi .