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.
5 traits specialized workers, complex institutions, record keeping, advanced technology, and advanced cities
Germany sunk it using their submarines.
National unions differed from local unions in that national unions represented the interests of laborers and workers from all over the country, as opposed to a specific region.
Industrialization would later influence imperialism and encourage free trade.
