Complex sentence: The first important aspect when tackling this question is to acknowledge that Rome was made up of several different classes: the Patricians (include the Senatorial and Equites class), the Plebeians, freemen and the slaves.
Split into simpler sentences: The first important aspect when tackling this question is to acknowledge that Rome was made up of several different classes. Those being: the Patricians (include the Senatorial and Equites class), the Plebeians, freemen and the slaves.