Ending the class system
ending absolute rule
The technology, logistics, and communication of the north that allowed them to defeat the south is because of their skill of having to manufacture supplies and weapons that they need for the war. They were able to create more weapons and be able to hire more soldiers.
Hope this helped :)
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The significance of the Battle at Marathon was that the Persians were defeated. If the Persians had won, we would live in a much different society today.
Banks are important because they hold other peoples money. hope this helped! :)
It is caused by electrons