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During the Sept. 26 presidential debate, Republican presidential candidate Donald Trump bashed former President Bill Clinton for passing the North American Free Trade Agreement (NAFTA). “NAFTA is the worst trade deal maybe ever signed anywhere, but certainly ever signed in this country,” he said.

This is a surprising comment for any Republican nominee to make. Why? Because the GOP greatly favors free trade.

In presidential primaries, the candidates nominated for president most often represent the views of their party. For example, current Democratic presidential nominee Hillary Clinton is a conservative on only two of the 20 issues tracked by InsideGov, a politics research site powered by Graphiq.

The nomination of Trump, the fourth most liberal Republican candidate during the 2016 primary, defies this. Using data from OnTheIssues, the experts at InsideGov have identified three issues for which Trump holds liberal viewpoints, with these views sometimes being even more liberal than Clinton’s. We’ll start with an issue where Trump is somewhat liberal, then count down to his most liberal of all.

3. Foreign Policy

When it comes to foreign policy, Clinton has a more conservative stance than Trump. For example, let’s look at Syria, where a great number of civilians are dying each month in a civil war.

Clinton has called for putting American special forces in Iraq and Syria, and her campaign adviser says she will work to force president of Syria Bashar al-Assad “out of there.”

In contrast, Trump has pushed for a noninterventionist foreign policy. He has argued against removing Assad from power, and said the U.S. should let Russia fight ISIS in Syria. Traditionally, the GOP has supported a more interventionist approach to foreign policy.

2. Drug Laws

Clinton’s and Trump’s marijuana policies mirror each other. Both candidates advocate for the legalization of medical marijuana nationally, and each says states should be able to decide whether to decriminalize recreational marijuana.

Public opinion on legalizing marijuana reflects the viewpoints of Clinton and Trump. Support for legalizing marijuana continues to increase, with more people now for legalization than against it.

1. Free Trade

Trump strongly opposes free trade. He has argued for a 20 percent tax on all imported goods and called the Trans-Pacific Partnership (TPP) a “death blow for American manufacturing.”

While OnTheIssues’ data classifies Clinton as a liberal on free trade, she has previously been more open to free trade than Trump. She was a chief advocate for TPP until October 2015, having said it would create “not just more growth, but better growth.”

If TPP is ratified, it will result in free trade between America and 11 other countries. Many of the United States’ largest trading partners, including Canada and Mexico, are part of the TPP agreement.

As we get closer to the presidential election on Nov. 8, Trump continues to change his positions on some issues. For instance, Trump argued against raising the minimum wage, saying he “would not do it,” last November; this July, he said he “would like to raise it to at least $10.” Whether his positions on these issues will evolve more by election day is yet to be seen.