21st Century
The 21st century in the United States has been marked by significant events and changes. Here are some key points:
The financial crisis of 2007-2008 was another major event that had a significant impact on the U.S. economy.
The Affordable Care Act, also known as Obamacare, was passed in 2010, marking a significant reform in the U.S. healthcare system.
These events and others continue to shape the course of the 21st century in the United States.