Final answer:
A democracy and a republic both get their sovereignty from their citizens and are based on the principle of popular sovereignty.
Step-by-step explanation:
A democracy and a republic are similar in that both get their sovereignty from their citizens. In a democracy, the citizens directly participate in decision-making, while in a republic, the citizens elect representatives to make decisions on their behalf. Both forms of government are based on the principle of popular sovereignty, where power ultimately rests with the people.
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