European Commission President Ursula von der Leyen (L) and US Vice President Kamala Harris (R) line up for the family photo at the UK Artificial Intelligence (AI) Safety Summit at Bletchley Park, in central England, on November 2, 2023. Daniel Leal | Afp | Getty Images Vice President Kamala Harris is poised to take the stage at the Democratic National Convention on Thursday and deliver what is thought to be the biggest political speech of her career. The 59-year-old politician is expected to outline her vision and policy agenda to the American people, while many in Europe will also be curious to understand what a Harris presidency could mean for the transatlantic relationship.

Harris, who ascended to the top of the Democrats' ticket after President Joe Biden brought an end to his campaign last month, is set to go head-to-head in November with Republican nominee and former President Donald Trump. If Harris were to win, political analysts told CNBC they expect a broadly similar approach to Biden's policy platform — albeit with some subtle differences on major international issues such as the Russia-Ukraine war . Europe is not under any illusion that a White House win for the Dems would mean that the United States would provide for all the continent's security needs and reverse its industrial polices.

Sudha David-Wilp Senior fellow at the German Marshall Fund of the United States For analysts at the Economist Intelligence Unit, the expectation is that a Harris presidency would.