Since the countries were becoming industrialized, they needed more and more resources. Since they couldn't have them in their own countries, they had to conquer others. That's why they would make colonies and spread their empires. That way they could take coal or oil or lumber or similar things from the colony and use it for their own purposes. Usually, they would leave nothing to the colony.
Disease/Infection because things like penicillin weren't made until WW2
Maybe russian gods? sorry if i'm wrong...
Answer:
transportation and media
Explanation:
New technologies that triggered the Industrial Revolution included the new steam engine (James Watt), construction of machines and improved textile technology. Improvement in the transportation system was also a trigger.