- The British monarchy, Governor General, and Prime Minister were replaced by a locally-elected President and appointed Prime Minister.
- Trinidad became a parliamentary republic, with a Parliament elected by the people to handle most government functions, including choosing and overseeing the executive branch (Prime Minister and Cabinet).
Economic and Social Reforms
- Economic diversification (especially after joining CARIFTA and CARICOM)
- Expansion of the industrial sector
- Expansion of the oil industry
- Establishment of the Industrial Development Corporation (IDC)
- Investment in education, health, and social programs
Political and Cultural Changes
- Adoption of a new national flag and coat of arms
- Nationalization of some industries
- Creation of a national airline (Trinidad and Tobago Airways, which would eventually become Caribbean Airlines)
- Celebration and preservation of local customs, traditions, and folk forms in the face of globalization and cultural encroachment from around the world.
Foreign Policy Shifts
- Alignment with the Non-Aligned Movement (NAM)
- Joining the United Nations
- Establishing diplomatic relations with other nations, especially in the Caribbean, Latin America, Africa, and Europe
- Advocacy of Caribbean regionalism and integration