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Bipartisan support track record
According to the March 2020 annual Gallup poll of country favorability, Israel benefits from a 74% favorability (90% of Republicans and 67% of Democrats), compared to a 23% favorability of the Palestinian Authority (9% of Republicans and 34% of Democrats).
With the dawn of the Biden Administration, Israel enjoys bipartisan support among most US voters and, therefore, among members of the US House of Representatives and Senate. However, one should not ignore the gradual – and recently accelerated – erosion of this support.
Conventional wisdom suggests that Israel’s national security policy – and especially its confrontational opposition to the 2015 Iran accord (JCPOA) – is responsible for the erosion of the bipartisan support.
However, US-Israel relations have experienced a number of raucous confrontations between US presidents and Israeli prime ministers – some of them harsher than the Obama-Netanyahu “Iran showdown” – but that did not fracture bipartisan support of Israel.
For example, in 1948-49, during and following Israel’s War of Independence against a military invasion by five Arab countries, Prime Minister Ben Gurion confronted a most brutal pressure by the White House, State Department, Pentagon and CIA to refrain from the application of Israel’s law to “occupied” West Jerusalem and parts of the Galilee, the coastal plain and the Negev. The US Administration claimed that Israel’s “intransigence” would severely undermine US-Arab relations, threaten the supply of Arab oil, serve Soviet interests and further destabilize the Middle East (all of which were resoundingly repudiated by reality).