Pls help it’s the last question I have left! Explaining How did African American singers contribute to American culture in the 1950s? What obstacles did they face?

first industrial revolution - the first wave of the industrial revolution lasted from the late 1700s to the mid-1800s. it industrialized the manufacture of textiles and began the move of production from homes to factories. steam power and the cotton gin played an important role in this period.

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i believe george gallup used a poll in 1936

you really can't answer this on your own?