The Teamsters broke with the union tradition of backing Democrats on Wednesday. Here's a look at how it is different from other major unions.

For the first time in nearly three decades, the International Brotherhood of Teamsters won’t endorse a candidate in the presidential race — a blow to the Democratic Party, which has reliably received the union’s approval for years.

Although the union did not explicitly back former President Donald Trump, he viewed the decision to not endorse the Vice President as a victory.