The book The Jewish Threat: Anti-semitic Politics Of The U.s. Army explained that both the US army and military intelligence were anti-semitic
https://www.timesofisrael.com/historian-new-evidence-shows-fdrs-bigotry-derailed-many-holocaust-rescue-plans/
It is so much more than just the British involvement in the plot to replace Henry Wallace. The book Secret War Against Jews implies that Henry Wallace himself is responsible for being removed from FDR's 1944 Presidential ticket
There is no alternative. However, RFK Jr. claimed that he created an offer to Biden
https://www.dailymail.co.uk/news/article-13574433/RFK-incredible-offer-Biden-blown-2024-presidential-race-wide-open.html