What is difference between a monarchy and a republic?

Explanation:

if you mean constitutional monarchy, then as both are representative democracies, the difference is elected versus hereditary heads of state. In a republic the head of state is elected somehow, whether that be popularly or through some other mechanism such as the legislature or an electoral college.

What is the difference between a republic and a democracy?

The major difference between a democracy and a republic is that a republic is a form of government whereas a democracy is an ideology that helps shape how a government is run. Put another way: a republic is the system of government that allows a country to be democratic

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