A few things that are accessible within the USA include:
- Participating in mutual aid programs
- Campaigning on the local level, including for positions like poll watchers
- Making your voice heard in community events in general
- Joining your local DSA, networking
This point is so frequently missed, some presidents are harder on Israel than others but you’d be silly to think any US leader in this situation would act much different.
Historically, Nixon bailed Israel out, caused an oil crisis. Carter tried, Reagan fucked it all up and blamed Israel. The Bushes, Clinton, and Obama all tried but Trump blew it. He left Palestine out of the Accord and moved our embassy to Jerusalem, which stoked the fires.