The Great Depression began with "Black Tuesday" on Oct. 29, 1929, when a panic selloff triggered a stock market collapse, wiping out thousands of investors who had borrowed heavily.

"The Great Depression was a singular event in our history, so I think it is unlikely that Trump's 25% tariffs lead to an economic calamity on that scale," Witcher said. "But a 25% tariff will ...

The Smoot-Hawley Tariff Act of 1930 is blamed for deepening the Great Depression. Don’t tell that to the Trump administration, which just unveiled the toughest tariffs in almost a century.

However, the Great Depression had taken hold before the effects of Smoot-Hawley, ruling it out as a cause of the crisis, they added. "Smoot-Hawley impacted the U.S. economy at a vulnerable moment ...

“During the Great Depression of the 1930 s, the U.S. economy almost completely collapsed,” historian Dana Frank writes in her new book, What Can We Learn from the Great Depression?

The Great Depression began with "Black Tuesday" on Oct. 29, 1929, when a panic selloff triggered a stock market collapse, wiping out thousands of investors who had borrowed heavily.

The Great Depression began with “Black Tuesday” on Oct. 29, 1929, when a panic selloff triggered a stock market collapse, wiping out thousands of investors who had borrowed heavily.