The progressive lawmakers are further urging the Biden administration to ensure U.S. taxpayer funds are not supporting Israeli settlements projects, and to determine whether U.S. military aid is in violation of the Arms Export Control Act or the so-called “Leahy Laws.”

The Arms Export and Controls Act stipulates that U.S. weapons are sold only for legitimate self-defense, while the Leahy Law prohibits U.S. funding from being used to equip or train foreign military forces suspected of human rights abuses or war crimes.