Answer:
A republic is a form of government where the country is considered a public matter and all state bodies are elected for a fixed term and all citizens have personal and political rights. The most important characteristic of a form of government is the election of the head of state, whose function is not hereditary and there are no methods of delegation. 
PROS: 
- Republican government is a well-structured government where people elect representatives who will create laws and to act on their behalf. 
- Human rights are protected with Constitution and through the vote of people allowing them freedom, peace, and prosperity, as there is no supreme authority or king. 
- Government serves the interests of the country 
- Economic pursuits benefit the entire nation and people are able to have a good living standard 
CONS: 
- Corruption in governments: money can buy the influence of elected leaders 
- Requires too many people to make a decision 
- Representatives may distort people's' demands to suit their personal or political preferences