When the Etruscan rule weakened, the Romans rebelled, driving the Etruscan kings out of Rome.After the expulsion of the Etruscans, the monarchy became a republic.
Yes, it is because they were there and didn't take it from someone else.
In Germany, the power is with the people (=it's a democracy) which are represented by the members of the parliament: it's a representative democracy. It's also a federation of 16 states.
Iran, on the other hand is a theocracy: a country ruled by the members of the clergy. It can also be named an oligarchy: the power is with a few members of the society.
The answer is existing European colonies.
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