Why was the middle ages period once reffered to
as the dark ages ?

We dont know much about this time.

Explanation:

Compared with other eras, historians dont know as much about this time. In some ways, this period of time has been lost to history

Because compared to other ages, historians didnt knowmuch about this time ,so it was kind of lost in time.

The 16th amendment to the United States constitution allows congress to levy a tax on income.

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