The Catalyst of the Persian Wars Was

Multiple Choice

The catalyst of the Persian Wars was:

A) the imperial concerns of the Persians.
B) a revolt instigated by the Ionian Greeks against the Persians.
C) the imperial concerns of the Greeks.
D) a dispute between Sparta and Athens that the Persians were asked to resolve.
E) the unprovoked invasion of Euboea by the Persians.