Answer:
competition for resources
Explanation:
The Song Dynasty (900-1200 CE/AD) was technically the first to industrialize. They were the first known to have assembly lines and they had very advanced technology, but due to their Confucianist ideals they weren't as expansionist and imperialist as Europe which means they didnt spread this at all... so once they were defeated, so was this small burst of industrialism.
World War also started after archduke Francis Ferdinand got assassinated.
May 26, 1938 is the year mate.