the first major event that happened which led to Prussia uniting all its nation was that Prussia industrialized in 1871. the industrialization caused the production of much more coal and iron.
Many of the nations that where already there had multiple religions that conflicted with Prussia's unifying goal. Many other countries in that region also did not want to unify with Prussia
Prussia eventually gained immense military power and eventually attacked France using the "Ems Telegram." this caused France to lose land and Prussia to become bigger
japan was introduced to the west due to fear because the U.S shoed up flexing its military power. This event forced japan to industrialize because they wanted to keep up to the U.S. This was a example of unifying because it took all of japan to industrialize together.
Event 2 1853-1895
the bakumatsu event happened causing japan to go from a feudal shogunate rule to the Meiji government. this event made it so that it divided the people who took honor in the shogunate rule. many of the Japanese people did not like this new government.1894-1895 the sino Japanese war happened. this was when japan won a war against china due to superior military tactics. this was a unifying event for japan and gave the people a sense of pride.
Japan Time Line
the dictator Diaz was kicked out because Madero exposed his lies. this was a unifying event because it brought all the people together to over through Diaz.
madero was assassinated by huerta. huerta than took all the power for himself. this was a dividing event because it broke the peoples pride in their government because some thought madero was right and others huerta.
Obregon made peace with many people such as zpatas and villa. this event unified the people because everyone was somewhat at pece with eachother.