Answer:

republic

AnswerCrossword Clue
REPUBLICPlato work, with "The"
REPUBLICPledge of Allegiance word
REPUBLICWork by Plato
REPUBLICPlato's subject.
REPUBLICFree democracy.
REPUBLICSouth Korea, for example.
REPUBLICForm of government.
REPUBLICMali or Togo
REPUBLICPlato's ideal
REPUBLICForm of government Plato wrote about
REPUBLICChina, for example
REPUBLICIndia or Congo
REPUBLICUnited States, e.g.
REPUBLICCalifornia ... (state flag words)