The US acts as the primary liaison between Israel and Palestine.
The US donates more than $3 billion dollars per year to Israel, not to mention military subsidies.
The US is currently in the midst of a deep financial crisis.
Israel and its Palestinian indigenous people have been in conflict for 63 years.
Israel has created an apartheid system, fully funded by the United States.
In order to continue as a fair arbiter in this conflict, the US should suspend all military aid to Israel. This will allow the US a more credible position as a negotiator.
Furthermore, the US can reallocate those funds toward programs that would benefit its citizens.