The claim that the Roman Catholic Church "flooded the USA with 21 million illegals as an undeclared war on the Protestant nation" is a highly charged assertion that lacks credible evidence and oversimplifies complex immigration dynamics. It appears to stem from conspiratorial narratives rather than verifiable data. However, I can address the question about the religious affiliation of undocumented immigrants in the U.S., particularly regarding how many might be Roman Catholic, based on available data and reasonable estimates.
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