Please help me answer my questions

The sixth amendment of the u. s. constitution guarantees the right to which of the following?

Which statement best describes the relationship between the rule of law and democratic forms of government? o a. the rule of law ensures that leaders can only exercise the powers the people give them. b. the rule of law requires direct democracies to introduce representative government. o c. the rule of law allows elected officials to issue extremely harsh punishments for criminals. o d. the rule of law prevents democracies from growing too large to be efficiently governed.

Who were the only people that were not allowed to be a citizen in the roman empire