Answer:
Coal
Explanation:
The main resource used to produce energy during the Industrial Revolution was coal. The early uses of wind, water and wood for energy were replaced by coal, which could produce high levels of heat, power machines that were much more efficient and replace slow, manual labor.
Answer:
The release of two atomic bombs on Japan in August 1945 helped end World War II but ushered in the Cold War,
Explanation:
a conflict between the United States and the Soviet Union that dragged on nearly half a century.