US election results: How did Donald Trump break the 'blue wall'?

Contributing sentiments towards policy:

62% : During the 2020 election, the electoral map looked similarly red in the early hours of counting, leading Trump to claim an early victory, before results in critical battleground states had been announced.
52% : Harris ran on the promise that she would lower the cost of pharmaceutical drugs and cancel medical debt as well as bolster the Affordable Care Act (ACA), which provides health insurance to middle- and low-income Americans.
48% : A preliminary national exit poll conducted by data provider Edison Research showed that 51 percent of voters trusted Trump with handling the economy compared to the 47 percent who trusted Harris.
46% : The Democrats, as well as European Green Party members, warned that Stein would dent the Democrat vote, enabling Trump to win swing states and hence, the presidency.
44% : Later on Wednesday, that umber ballooned further, after Michigan, one of the so-called blue wall states, was also called for Trump.
42% : However, by 6am ET (11:00 GMT) on Wednesday, the Associated Press (AP) had projected 277 Electoral College votes for Trump, seven more than the 270 required to secure a presidency.
40% : Here is how Trump fared in the three swing states considered to be behind the blue wall this year:Schultz said he believed Biden was able to reclaim blue wall swing states from Trump in 2020 in part because of the way Trump handled the COVID-19 pandemic during his presidency.
35% : During the early months of the outbreak, Trump undermined scientists and spread false claims about the coronavirus on his social media platforms, such as the idea that children are "almost immune" to it.
33% : Once Trump crossed the line of 270 electoral votes, however, Democratic hopes of catching up to his lead in the early counting stage were dashed.
32% : "It appears Trump has breached the blue wall, or at least enough of it, to win the presidency," David Schultz, an author and political science professor at Minnesota's Hamline University, told Al Jazeera.
14% : Wisconsin was reliably blue for decades, but Trump defeated Clinton there in 2016 by appealing to largely white, working-class voters who were concerned about rising healthcare costs as well as wages and poverty.
13% : In 2016, Trump breached the blue wall, flipping several of those states to red in the election against Democrat Hillary Clinton.

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