Why is it significant that protesters over took the capitol building?

Plzz help meee

The U.S. Capitol Police force was caught unprepared by a mob of pro-Trump extremists on Wednesday, in a failure to protect the seat of American democracy unparalleled in modern times.

Rioters, many bearing Trump garb, breached the barricades set up by the under-staffed police force and swarmed the Capitol, disrupting the certification of President-Elect Joe Biden’s election and forcing the evacuation of Vice President Mike Pence and other lawmakers.

One woman was shot and killed by a Capitol Police officer, Metropolitan Police Chief Robert Contee III told reporters on Wednesday night, without providing more details about the circumstances of the shooting. He said at least 14 officers were also injured, one seriously, during the disruptions.

(please give me brainliest  or thanks if you find this helpful!)

they believed democracy was worth the fight

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have a good day