Tim Walz, the VP pick of Kamala Harris, leads a state with close ties to Canada

U.S. Vice-President Kamala Harris has picked Minnesota Gov. Tim Walz to be her running mate, marking a major milestone since her move to the top of the Democratic ticket ahead of the November presidential election.

"As a governor, a coach, a teacher, and a veteran, he's delivered for working families like his," Harris posted on X, formerly Twitter, on Tuesday.

Walz said it was "thehonour of a lifetime" to join the campaign.

"I'm all in," hesaid in a post on social media.

Harris formally clinched the Democratic nomination Monday and appeared with Walz at her side at a rally in Philadelphia Tuesday evening. She referred to him repeatedly as "coach Walz," because of his winning record as coaching high school football in Minnesota.

Walz put his hand over his heart as the crowd chanted his name after Harris described him as a leader and American patriot. The rally kicks off a campaign blitz to introduce the Democratic ticket in important battleground states.

Walz is already well known at the Canadian Embassy in Washington and consulate general in Minnesota, said Kirsten Hillman, Canada's ambassador to the United States. He "knows Canada well," she said.

The search for a running mate began just two weeks ago, after U.S. President Joe Biden removed himself as the nominee amid concerns over his age and endorsed Harris.

In the turbulent days that followed, Walz received national attention for his plain-spoken television appearancesand was credited for coining the increasingly popular Democratic talking point that their Republican opponents are "just weird."

Biden praised the Harris-Walz ticket on Tuesday as "a powerful voice for working people and America's great middle class."

Veteran, union supporter, retired teacher

Walz, 60, is a military veteran, retired educator and union supporter whose state shares an885-kilometre border with Canada specifically Ontario and Manitoba.

"Between Walz and Harris'sbackground in Canada, these are two people that will have a good understanding of the relationship between the two countries," said Matthew Lebo, a specialist in U.S. politics at Western University in London, Ont.

Harris, who lived in Montreal as a teenager, is expected to be guided by Biden's road map as she navigates the U.S. relationship with Canada.

Biden's tenure has been described as more stable than his predecessor when it comes to U.S.-Canada relationsbut not much different from former president Donald Trump's administration.

Trump pushed to renegotiatethe formerNorth American Free Trade Agreement. It was replaced with the United States-Mexico-Canada Agreement, which Ottawa heralded as a successbut which Harris as a U.S. senator voted against, saying it didn't do enough to protect American workers or the environment.

Trump also introduced billions of dollars' worth of tariffs, particularly on Chinese imports, and he has threatened more if he wins a second term in office.

WATCH | Harris picks Walz:

Kamala Harris selects Minnesota Gov. Tim Walz as running mate

28 days ago

Duration 2:37

U.S. Democratic presidential candidate Kamala Harris has chosen Minnesota Gov. Tim Walz as her 2024 vice-presidential running mate.

Lebo said it's likely Walz understands the value of trade between Canada and the United States.

The Business Council of Canada website describes the relationship with Minnesota as more than just a shared love of hockey with its neighbours to the north. Trade ties are extensive, especially when it comes to energy and agriculture.

Canada is Minnesota's largest customer, buying more than $8 billion US worth of goods and services every year, Hillman, Canada's ambassador, said. Walz was in Toronto in June to speak with Canadian officials and pursue economic opportunities for collaboration.

"Ontario and Minnesota do billions of dollars in two-way trade every year. We agreed on the need to protect and grow our strong economic ties, including our growing agriculture and energy sectors," Ontario Premier Doug Ford posted on social media after Walz visited Ontario's legislative building.

Social policies in line with Ottawa's

Walz also seems "Canadian" in terms of his temperament and values, Lebo said, adding, "Minnesota may be the most Canadian-like state."

The governor has also pushed social policies in line with the current Canadian government, Lebo said.

LISTEN | Former Minneapolis mayor on Walz:

As It Happens6:40The more you know VP pick Tim Walz, the more you like him, says friend

Former Minneapolis mayor R.T. Rybak speaks with guest host Stephanie Skenderis about his friend Tim Walz. Kamala Harris has picked the Minnesota governor as her running mate.

Walz and fellow lawmakers have eliminated nearly all of the state's abortion restrictions, protected gender-affirming care for transgender youth and legalized the recreational use of marijuana.

Minnesota Democrats also funded free school meals for children and free tuition at public colleges for students in families that earnless than $80,000 US a year.

Walz has been praised for putting state funds toward health insurance coverage, regardless of a person's immigration status.

Lebo said Walz may be criticized for his response to protests after the murder of George Floyd by a Minneapolis police officer in 2020 and his administration's oversight of some pandemic-era programs.

Republican vice-presidential nominee J.D. Vance criticized Harris's new running mate as the Trump campaign characterized him as a far-left liberal.

"It just highlights how radical Kamala Harris is," Vance, an Ohio senator, said on Tuesday.

Walz, with a "Minnesota nice" demeanour, may help to build an important bridge between the Democrats and voters in key battleground states like Michigan, Pennsylvania and Wisconsin. Trump won those states in 2016, and they swung to Biden in 2020.

Harris's decision to pick Walz as her running mate shows that she is looking to pull in more votersfrom white, working-class men Lebo said. There were concerns that she would have less success with those voters than Biden, he said, and they could be critical for a Democratic win.