The American right supports Israel to the extent that they believe the nuclear annihilation of Israel will bring the Second Coming of Christ. Aside from that israelis oppress and kill Arabs which the American right totally supports. The problem you are overlooking is that the republicans are determined to increase defense spending, cut taxes and balance the budget. Welfare for Americans and Israel are bound to be on the chopping block . . .
Iran deal opposition grows among U.S. Republicans, Reuters poll shows (Reuters)
from the article: Israel's right should be wary of U.S. conservatives