Answer:
Japan had a wide variety of different factors provoking its imperialism, but major factors were its geography and geopolitics. Geographically, Japan does not have many natural resources, has a small area of arable land to farm, and is restricted by its mountainous terrain
Procrastination I think possibly
In the age of the enlightenment people shifted their mentality, suddenly it didn't matter if you were rich or powerful, all it mattered is how smart, educated, innovative and serious you were. This led to many breakthroughs and tendency to write things down boosting the overall society's education and interest in science, tech, philosophy etc.
That's all I know (I'm more mathematically oriented) but I hope this helps.
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