A possible answer would be that; people disliked these kings and refused to pay taxes.
Explanation:
Academy
We know that the Western Roman Empire fell in 476 CE, but we're not so sure why. Despite knowledge of events leading up to the fall, historians still debate ..
I'm just going to write few more things to the answers
Typewriters, gasoline, bicycles, footwear, silk, nylon, fuel oil, stoves, meat, lard, shortening and oils, cheese, butter, margarine, processed foods (canned, bottled, and frozen), dried fruits, canned milk, firewood and coal, jams, jellies and fruit butter.
European nationalism during the late 19th century led most importantly to World War One. The Kaiser in Germany sought, through a new heightened sense of nationalism, to expend Germany's territory.
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