Who was allowed to participate in athenian democracy? a) wives of citizens b) foreign-born residents c) men whose fathers had been citizens d) slaves who had been freed why did the persian emperor darius invade greece? a) spartan forces under king leonidas has attacked several persian cities. b) he wanted to avenge the defeat of his father, xerxes. c) athenians had ionian cities when they revolted against the persians. d) he wanted to stop the fighting between sparta and athens