That seems ... unlikely.
Call it a million, maybe, at most, that might want to move .. pragmatically a hundred thousand per year over the next decade.
Currently
304 million people—3.7 percent of the world's population—lived outside their country of birth in 2024, nearly double the 153.9 million in 1990, per UN Population Division data.
The United States hosted more than 52 million migrants in 2024
~ https://www.migrationpolicy.org/journal/feature/top-statisti...so the precedent is there to absorb another million across the globe, although realistically the US in its current state is unlikely to welcome "peaceniks" who'd be accused of supporting Hamas.