Quaestio: How should we address two examples of the same theme in a thematic essay without being directly comparative?

Essay Materials:
Thematic Essay – Collapse of Government
Guided Outline Thematic Essay Collapse of Governments
Regents Thematic Rubric

Helpful Resources:
Delian League-
The Peloponnesian War
Democracy and Philosophy
Pericles and Aristotle on Government
Military History of the Peloponnesian War
Alexander of Macedon
Textbook Ch 4 Sec 3, 4, 5

Roman Empire-
Did Caesar Destroy the Republic?
Pax Romana
Pax Romana DBQ
Fall of Rome
The Fall of Rome Infographic Questions
DBQ Contributing Factors to the Fall of Rome
Textbook Ch 5 Sec 2, 3, 5, and especially for last paragraph, Ch 7 Sec 1 and Ch 9 Sec 1