Who conducted the doll experiment, and how did this experiment contribute to the civil rights movement in the United States?

d.prevent the spread of communism outside of eastern europe.

- "bill clinton ( the 42nd u.s. president, served in office from by low unemployment, declining crime rates and a budget surplus. during clinton's second term, the u.s. economy was healthy, unemployment was low and the nation experienced a major technology boom and the rise of the internet."