Which shows the requirements of citizenship for ancient Athens, Ancient Rome, and modern United dates

In ancient Athens and Rome, citizenship was not offered to everyone. In Athens and Rome, only free men were allowed to be citizens and only citizens had rights, including the right to vote.

In the United States, citizenship has been expanded to include everyone born within the borders of the nation or born to American parents in another country. People can also apply to become citizens. All citizens are allowed to vote and run for most elective offices.