What can cause tastes to change? Taste buds are constantly being replaced, so changes in health, nutrition, medications, hormones and age can all affect how they function, causing foods to taste bland or all the same, or leading to a metallic, sweet, chalky, blood-like or otherwise undesirable taste in the mouth.
republic - a form of government whose head of state is not a monarch; the head of state in a republic is usually a president. form of government, political system - the members of a social organization who are in power. Translations.
1 Democracy is defined as a political system which is made by/of/for the people. The republic is the representative democracy with the chief of the state known as president.  In a democracy, the rule of majority people prevails whereas in the case of the republic the rule of law prevails.