In this text, the topic that is best represented is that of injustice. This is because we witness how African Americans were generally not accepted in the areas where white people lived. The justification provided in the text is that African Americans preferred to live "in their own communities." This is an example of injustice, as all Americans should have the same opportunities regardless of their race.
One of the idea to stimulate audience in your presentation is to open with an amusing observation about the subject matter. About the interest are content topics that show interests of a property's users based on their browsing behavior.
A concern by globalization opponents is that failing trade barriers encourage companies to locate manufacturing activities in another country to take advantage of lower wage rate and the result of this is a decrease in manufacturing jobs in America and some European countries. An example is the setting up of production/manufacturing, assembling plants in China by some American companies like Apple in China.
