As the U.S. House of Representatives voted to approve President Donald Trump’s sweeping domestic tax and spending package, many critics are wondering how the president retained the loyalty of so many congressional Republicans, with so few defections.

Just three Republican senators – the maximum allowed for the One Big Beautiful Bill Act to still pass – voted against the Senate version of the bill on July 1, 2025. In the House, only two Republicans voted against the bill, which passed the chamber on July 3.

Among other things, the bill will slash taxes by about US$4.5 trillion over a decade and exempt people’s tips and overtime pay from federal income taxes.

But the bill has been widely panned, including by some Republicans.

Democrats have uniformly opposed it, in part thanks to the bill’s sweeping cuts to Medicaid and Affordable Care Act marketplace funding. This could lead to an estimated 12 million more people without insurance by 2034.

The legislation is also likely to

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