Read the following paragraph and answer the question.

george washington was born on february 22, 1732, in westmoreland county, virginia. contrary to popular belief, his teeth were not made of wood. by the age of twenty-three, he had already established himself as a military hero in the french and indian war. four years later, he met and married martha dandridge custis, a young widow whose husband had died. although they raised martha's children from her previous marriage and two of their grandchildren, the couple never had any children of their own. washington died two years before his wife. he became active in local politics and eventually became a leader in speaking out against the magisterial british rule. when war broke out in 1775, he was chosen as commander-in-chief of the american troops. at the end of the war, he was unanimously elected the nation's first president. he served two terms and then retired to his home, mount vernon. he died on december 12, 1799, from pneumonia and bad weather.

why is this paragraph likely to have points deducted for plagiarism?

it was taken directly from the text
there are no in-text citations
it sounds too educated
"magisterial" is not defined and must have been copied