So Trump gets elected, the genocide gets 10x worse, the right allows Israel to completely demolish Palastine and take their land.
Kamala gets elected, genocide might continue for a while, but at least we have time and still have a democracy and the chance to vote in people who will condemn genocide.
There is an effectively zero chance of any third party candidate winning the election, so if you care so much about genocide, throwing your vote away to third party where you would have otherwise voted for Kamala is essentially taking away a vote from Kamala and giving it to Trump, supporting even further genocide.
Any questions?
Because Republicans are entirely fans of Israel and would do anything to help them... This is common information, have you been living under a fucking rock? Republicans have repeatedly shown that they will help Israel.
Nobody knows that for sure. If people care about it, they will run for office. It sounds like you prioritize the presidential elections and ignore local elections, because those are what matter in getting "that candidate".