In the fall of 2020, the economy started to reopen after the pandemic-caused shutdown, and millions of U.S. workers did not return to the work force. What was this trend known as? In the fall of 2020, the economy started to reopen after the pandemic-caused shutdown, and millions of U.S. workers did not return to the work force. What was this trend known as? The Great Resignation The Big Quit The Big Resignation both a and b