Cindy McCain, the wife of the late Arizona Sen. John McCainJohn Sidney McCainCindy McCain rejects idea of running for office: 'I've been there' Bush says he doesn't criticize other presidents to avoid risking friendship with Michelle Obama 'Real Housewives of the GOP' — Wannabe reality show narcissists commandeer the party MORE (R), said in a new interview that she believes that her husband would be “very pleased” that President-elect Joe BidenJoe BidenCornyn, Sinema to introduce bill aimed at addressing border surge Harris to travel to Northern Triangle region in June Biden expected to formally recognize Armenian Genocide: report MORE won the race for the White House against President TrumpDonald TrumpUS gives examples of possible sanctions relief to Iran GOP lawmaker demands review over FBI saying baseball shooting was 'suicide by cop' House passes bill aimed at stopping future Trump travel ban MORE.

"I think my husband would be very pleased," Cindy McCain, who endorsed Biden and is serving as part of his transition team, told CNN late Monday. 

"We were good friends with the Bidens," she added. "And I just know he is looking down and going, 'You did the right thing.' "

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The Associated Press last week called the McCains' home state of Arizona for Biden. The former vice president currently leads Trump, 290 electoral votes to 214 electoral votes, according to the news service. It has not yet called North Carolina, Alaska or Georgia. 

Cindy McCain on Monday also said she believes that Biden can unify the nation and work with lawmakers across the aisle, telling CNN that “I would not have supported Vice President Biden if I had thought ... anything but that." 

"That is the difference in President-elect Biden with regards to this White House," she said. "I believe they can get things done and I also think that they're going to heal the country by working that way — and that's of course what we all want."

Cindy McCain endorsed Biden in September. 

“My husband John lived by a code: country first. We are Republicans, yes, but Americans foremost. There's only one candidate in this race who stands up for our values as a nation, and that is @JoeBiden,” she tweeted at the time.

She also appeared at the Democratic National Convention, where she discussed Biden’s friendship with John McCain. 

The New York Times reported last week that Trump's top campaign aides attempted to stop him from attacking John McCain in hopes of winning Arizona. Trump has long feuded with the McCain family, lashing out at the former lawmaker even after his death.