Tea Party activists are descending on South Carolina this weekend, as conservatives favorites make their case ahead of the 2016 election.

Several potential presidential candidates are slated to speak at the annual South Carolina Tea Party Coalition Convention, which gathers over 1,000 conservative activists in the Southern state critical in GOP primaries.

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Speakers are expected to include conservative lawmakers like Sen. Ted CruzRafael (Ted) Edward Cruz228 Republican lawmakers urge Supreme Court to overrule Roe v. Wade GOP, Democrats battle over masks in House, Senate Human rights can't be a sacrificial lamb for climate action MORE (R-Texas) and Reps. Louie GohmertLouis (Louie) Buller GohmertGaetz, Greene and Gohmert turned away from jail to visit Jan. 6 defendants House GOP stages mask mandate protest Five takeaways from a bracing day of Jan. 6 testimony MORE (R-Texas) and Mick Mulvaney (R-S.C.), among others.

Former Sen. Rick Santorum (R-Pa.) is slated to speak Monday, and retired neurosurgeon Ben Carson, who has entertained the notion of a presidential run, is scheduled to deliver remarks Sunday along with Cruz. Donald TrumpDonald TrumpMyPillow CEO to pull ads from Fox News Haaland, Native American leaders press for Indigenous land protections Simone Biles, Vince Lombardi and the courage to walk away MORE is a major sponsor of the event, and is also slated to speak Sunday.

South Carolina’s Republican primary could play a key role ahead of 2016. With the GOP field still wide open with a number of potential candidates, South Carolina’s February 2016 primary will be the first in the South, coming just after the Iowa caucuses and New Hampshire primary.