In the context of the text, how has America changed over time? How did America’s treatment of African Americans change through history, and how has it changed since this speech was delivered in 1963? What additional change is Martin Luther King, Jr. demanding in his speech? Cite evidence from this text, your own experience, and other literature, art, or history in your answer.

D. Using colors to emphasize particular items

When you create a pie chart, it gives the viewer information about the percentages of things that are related to a topic. Using a pie chart shows how big or how little related items are compared to each other. Using different colors for each section of the pie chart distinguishes each item from the other. This makes it is very easy to tell which percentage is the largest and which is the smallest.