REREAD Aeschylus, Persians (in a contemporary transl. with some notes by Profs. N. McCloskey and J. Porter, U. of Saskatchewan)
KNOW:
How the modern concepts of race, naionality, and ethnicity cannot be applied to the ancient world without examination.
Be familiar with representations and concepts of the "barbarian" in ancient Greece
SOURCES:
Cartledge, The Greeks, Chapters 1, 3
Greek
texts related to our concepts
of race, nationality, and ethnicity
Introduction to Aeschylus, Persians (USEFUL!)