AP photo by Rob Carr / A Confederate flag flies in the infield as cars come out of the first turn at Alabama's Talladega Superspeedway during a NASCAR race on Oct. 7, 2007. On Wednesday, NASCAR banned the Confederate flag from its races and venues, formally severing itself from what for many is a symbol of slavery and racism.

NASCAR's decision to ban the Confederate flag from its races and venues grabbed headlines, and stars such as actress Reese Witherspoon and New Orleans Saints running back Alvin Kamara were quick to praise the stock car series for ridding itself of a symbol long associated with slavery and racism.

Now comes the tricky part.

In a matter of days, NASCAR will be faced with a daunting question: How will it enforce the ban at its sprawling, rowdy tracks once fans are allowed back in and campers start setting up their RVs for race weekends? Approximately 1,000 members of the military will be allowed into Sunday's Cup Series race in Florida at Homestead-Miami Speedway, making them the first spectators at a NASCAR event since the pandemic shut down sports in March.

The enforcement question is much more likely to be a challenge when NASCAR holds races June 20-21 at Alabama's Talladega Superspeedway, where up to 5,000 fans are expected to be allowed in. Flags are a common sight at the track in the heart of the South, traditionally the largest geographic footprint for the series' fan base.

"That will certainly be a challenge. We'll try to do that the right way," NASCAR executive vice president Steve O'Donnell told SiriusXM on Thursday. "We'll get ahead of it as we are today in letting people know that, 'Hey, we're all about pride, we're all about America, fly your U.S. flag high, fly your drivers' flags high and come on into the track.' But if we see something displayed at the track, we're going to have react and we will. More details to come, but I'm confident we'll do that and we'll do that in a smart way."

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AP photo by Steve Helber / NASCAR driver Bubba Wallace stands next to his Richard Petty Motorsports No. 43 Chevrolet before the start of Wednesday night's race at Virginia's Martinsville Speedway.

Fellow drivers were quick to credit Bubba Wallace, the lone black driver regularly competing on the top-tier Cup Series, for pushing NASCAR to enact the ban. Years of bad press and hand-wringing over the fate of the flag evaporated within 48 hours once Wallace publicly condemned the relic of racing's good ol' boy roots.

"I've seen too many comments and too many stories from first-time fans that come to a race in years past and the first thing they say (is) 'I've seen the Confederate flag flying and it made me feel uncomfortable,'" Wallace, who was born in Alabama, told the "Today" show. "We shouldn't have anybody feeling uncomfortable."

Wallace finished 11th at Virginia's Martinsville Speedway on Wednesday night, hours after the ban was announced, driving a #BLACKLIVESMATTER paint scheme with "COMPASSION, LOVE, UNDERSTANDING" emblazoned on the hood.

"It was really cool to see what Bubba was able to do," 2018 Cup Series champion Joey Logano said. "He should be proud of the movement he's made for the African American community in our sport. He always has just by being here, but when you look at the comments he made on CNN the other day, and then NASCAR completely answered it. Kudos to NASCAR. Kudos to Bubba for bringing it up and using his platform for something good."

There were, of course, fans furious at the decision, howling on social media that their rights are being been trampled on and they would continue to wave the stars and bars. NASCAR helmet artist Jason Beam, who has painted designs for seven-time Cup Series champion Jimmie Johnson, reigning champion Kyle Busch and other star drivers, wrote on Twitter that he did not support "erasing only particular elements of history" to please a particular audience.

Wallace ripped Beam in return, tweeting: " You made it clear of where you stand in today's matter. All respect lost for ya dawg."

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AP photo by Steve Helber / NASCAR driver Bubba Wallace's Richard Petty Motorsports No. 43 Chevrolet sported a Black Lives Matter paint scheme for Wednesday night's Cup Series race at Virginia's Martinsville Speedway.

Johnson, who drives for Hendrick Motorsports, cut ties with BEAMdesigns.

"Due to recent posts on social media I have decided to end my relationship with Beam Designs," Johnson wrote on Twitter.

For weeks, NASCAR has been the only live U.S. sport on television, an dratings are up a tick in this most unusual of seasons. Through the first 11 races, Cup Series races on FOX/FS1 have averaged a 2.38 share, up 1% over last year's average of 2.35 out of 44 market averages.

Now comes the publicity surrounding the flag ban.

"As far as the optics, NASCAR didn't have a choice," NASCAR historian Dan Pierce said. "I applaud the drivers for standing up. But the cynical person in me, especially when you're dealing with NASCAR, is, (saying) 'Did they get the OK from their sponsors ahead of time or from NASCAR?' You have to give them credit for making a stand, which isn't necessarily popular with a significant portion of their fan base."