The practice of democracy and equal rights to all the citizens are the characteristics which are influences by the Roman and Greek democracy.
Explanation:
One nation and one constitution are also one the characteristic which affected by the Roman and Greek democracy. Giving equal rights and status to each and every citizen regardless of their gender, caster, country origin and etc are ways which are influences the government and what we have today. Equality helped in spreading peace in the nation.
These advances in the history of technology stimulated societies to adopt new ways of living and governance.
A. The free blacks or D. all of the above.