C. The increase in the use of coal as a source of heat and energy
Answer:
1. extend their power
2. weak
3. united
Explanation: correct on edge
I had this question on my test but I don’t remember lol but use Socratic
4. Jawaharlal Nehru is elected prime minister
1. A conflict breaks out at the Sikh Golden Temple
3. India gain independence
2. Indira Gandhi is assassinated
