Whats true about a parlimentary democracy

Parliamentary democracy, democratic form of government in which the party  with the greatest representation in the parliament  forms the government, its leader becoming prime minister or chancellor. Executive functions are exercised by members of the parliament appointed by the prime minister to the cabinet. The parties in the minority serve in opposition to the majority and have the duty to challenge it regularly. The prime minister may be removed from power whenever he loses the confidence of a majority of the ruling party or of the parliament. Parliamentary democracy originated in Britain and was adopted in several of its former colon

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