Another good book “The Sleepwalkers”
https://www.amazon.com/Sleepwalkers-How-Europe-Went-1914/dp/0061146668/ref=sr_1_1?crid=3JD0R9J37ZPPH&keywords=the+sleepwalkers+how+europe+went+to+war+in+1914&qid=1646147280&sprefix=The+Sleepwalker%2Caps%2C68&sr=8-1
If reading is too hard for you watch “37 Days” You can get the DVD off Amazon. It might be on Netflix.
https://en.wikipedia.org/wiki/37_Days_(TV_series)
