Complex sentence: His discriminatory policies shocked much of the Cape's liberal political elite, alienated the Cape's traditional allies-such as the Sotho and Fengu nations-and led to a string of defeats from the superior strategies of the Sotho army, among others.
Split into simpler sentences: His discriminatory policies shocked much of the Cape's liberal political elite, and alienated the Cape's traditional allies-such as the Sotho and Fengu nations. A string of defeats followed, from the superior strategies of the Sotho army, among others.