Question : Which of the following has been a challenge to US economic dominance in the 21st century?
Option 1: The rise of cryptocurrency
Option 2: The global financial crisis of 2008
Option 3: The emergence of the BRICS nations
Option 4: All of the above
Correct Answer: All of the above
Solution : Challenges to US economic dominance in the 21st century include the rise of cryptocurrency, the global financial crisis of 2008, and the emergence of the BRICS nations (Brazil, Russia, India, China, and South Africa).