Question : The economic challenge to US dominance in the 21st century is characterized by:
Option 1: The decline of the dollar as the global reserve currency
Option 2: The rise of emerging markets
Option 3: The increase in trade protectionism
Option 4: The growth of the digital economy
Correct Answer: The rise of emerging markets
Solution : The economic challenge to US dominance in the 21st century is characterized by the rise of emerging markets, such as China and India, which are increasingly influential in the global economy.