Answer:
The 1979 Constitution of Ghana established a presidential system of government, with the president serving as the head of state, head of government, and commander-in-chief of the armed forces. The key functions of the president under the 1979 Constitution were:
1. Executive Authority: The president held the executive authority of Ghana and was responsible for the execution and maintenance of the Constitution and all laws.
2. Head of State and Government: The president was the head of state and head of government, taking precedence over all other persons in Ghana.
3. Commander-in-Chief: The president was the commander-in-chief of the armed forces of Ghana.
4. Appointment Powers: The president had the power to appoint the vice president, ministers, the chief justice, and other key government officials.
5. Legislation: The president had the power to assent to bills passed by parliament in order for them to become law. The president also had a qualified veto over bills.
6. Immunity from Prosecution: The president was immune from legal proceedings for acts done or omitted in the performance of their functions while in office.
7. Retirement Benefits: The constitution provided for the president to receive a pension and other retirement benefits upon leaving office.
In summary, the 1979 Constitution vested significant executive, legislative, and ceremonial powers in the office of the president, establishing a strong presidential system of government in Ghana.