ACTIVITY 1 Work out the change in the balance of power (Assessment aims and skills: 1, 2) 1. What is balance of power? 2. How did the balance of power change after the Mineral Revolution a South African War? 3. Look at Source B above. a. Which picture shows the balance of power before the Mineral P and the South African War? b. Which picture shows the balance of power after the Mineral Re and the South African War?