Final answer:
The example of the 2008 financial crisis demonstrates that world markets are economically interconnected.
Step-by-step explanation:
The example of the 2008 financial crisis demonstrates the trend that world markets are economically interconnected. When the crisis began in the United States, it quickly spread to the rest of the world, resulting in the collapse of the housing market and the failure of several large financial institutions. This shows how the economic conditions in one country can have significant effects on other countries.