Seven states are set to host primary elections Tuesday as the nation comes to terms with last week’s stunning Supreme Court ruling eliminating the constitutional right to an abortion.

This week’s nominating contests could offer the first clues as to whether the political landscape has shifted. Abortion is particularly relevant in Colorado, where GOP voters are deciding whether to nominate a rare abortion-rights-supporting Republican for U.S. Senate.

And in Illinois, a Donald Trump-backed congresswoman ignited a political firestorm over the weekend by celebrating the overturning of Roe v. Wade as “a victory for white life,” phrasing that her spokesman later called a “stumble” and was meant to be “right to life.”

The primaries will also offer new insight about the state of the Republican Party, with the central issue in virtually every GOP contest being fealty to Trump and his baseless conspiracy theories. Those Republicans who have pushed back at all, including a senator in Oklahoma and a congressman in Mississippi, are facing fierce challenges.

Democrats have their own challenges. Illinois voters will decide a rare incumbent-on-incumbent primary for a House seat, while in South Carolina, Democrats are picking which candidate will take on South Carolina Republican Sen. Tim Scott this fall.

In all, primary elections are playing out across Colorado, Illinois, Mississippi, New York, Oklahoma, South Carolina and Utah on Tuesday. Nebraska is holding a special election.

What to watch: Illinois

As he is in most GOP contests, Trump is a central issue in Illinois’ Republican primary for governor.

Darren Bailey, a conservative farmer who earned Trump’s endorsement over the weekend and often reads from the Bible in campaign videos, is part of a six-candidate Republican field. His rivals include Richard Irvin, the first Black mayor of Aurora, Illinois’ second-largest city, who had $50 million in support from billionaire Ken Griffin but was heavily targeted by Democrats who see Bailey as an easier matchup for Pritzker.

While Trump endorsed Bailey, he also campaigned alongside first-term Rep. Mary Miller, who is challenging five-term Rep. Rodney Davis in one of the state’s two incumbent-on-incumbent primaries.

But at Saturday’s rally, Miller described the Supreme Court’s reversal of Roe v. Wade as “a victory for white life.” A spokesperson later said she had intended to say the decision was a victory for a “right to life.”

But the Illinois congresswoman is no stranger to provocative statements. Soon after joining the House, Miller quoted Adolf Hitler, saying he was right to say that “whoever has the youth has the future.”

Davis is a powerful, more moderate lawmaker who is the top Republican on the House Administration Committee, which deals with election legislation and the Capitol complex.

Meanwhile, two Democratic incumbents — Reps. Sean Casten and Marie Newman — are facing off for a Chicago-area seat. Also on the Democratic side, about two dozen candidates are fighting to succeed Rep. Bobby Rush, the only lawmaker to ever defeat Barack Obama. They include John Jackson, son of civil rights leader the Rev. Jesse Jackson, and Karin Norington-Reaves, who has Rush’s endorsement.

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Associated Press writers Michelle Price in New York; Sara Burnett in Chicago; Sam Metz in Salt Lake City; Jim Anderson in Denver; Grant Schulte in Omaha, Neb.; Sean Murphy in Oklahoma City; and Jeffrey Collins in Columbia, S.C., contributed to this report.

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This story has been corrected to show that Irvin represents Illinois’ second-largest city, not Illinois’ second-largest suburb.