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Maya Angelou (1928-2014) had a broad and distinguished career both inside and outside the literary realm. She is most famous for her work as a poet, memoirist, and civil rights activist, working with Dr. Martin Luther King Jr. and Malcolm X. She also worked in entertainment as a singer, a dancer, an actor, and a director. Her poetry was inspired and informed by her life and work, and this personal connection made her poems profound and powerful. Over the course of a career spanning the 1960s to her death in 2014, she captured, provoked, inspired, and ultimately transformed American people and culture.
The comma after “memoirist”, in the second sentence of the text, is incorrect because of the use of “and” after it.