Trump has announced that Canada and Mexico could soon see a 25 percent tariff added to all imported goods while China could face an additional 10 percent – something Trump says is part of an effort to curtail “crime and drugs” coming into the U.S. and slow the number of illegal border crossings.

While the announcement is almost certainly bluster to bring attention to illegal immigration and fentanyl smuggling, there are several reasons why it is so risky.