Explain how the contributions of the Greeks and the Romans helped the development of democratic
ideas .

The Greeks, and particularly the Athenians, were one of the first peoples to form democracies. Thus, their contribution to democracy is that they helped to pioneer democracy and then passed it down to the Romans and, eventually, to European countries. The Greek democracy helped to influence the Roman republic.

a historian who compares the expansion of political systems to the expansion of economic systems to the expansion of economic systems is organizing history by theme.

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china has confucianism thats everywhere in asia but it isn't really a religion.