The 20th G20 summit held in South Africa in November 2025 was the most geopolitically tense since the organisation was established in 1999. The tensions emerged from the spectacular ideological, political, diplomatic, and economic fallout between the United States and the rest of the G20 member states. President Donald Trump’s America First foreign policy instituted upon his inauguration in January last year as the 47th president of the US clashed with South Africa’s and Africa’s inaugural G20 summit. The vociferous bickering over the G20 as a multilateral platform recalls the Italian Marxian philosopher Antonio Gramsci’s dictum: “The old world is…