Here's a couple of excerpts from a website on WHY we should support Israel:
Genesis 12:3 "And I will bless them that bless thee and curse him that curseth thee; and in thee shall all nations of the earth be blessed."
Point: God has promised to bless the man or nation that blesses the Chosen People. History has proven beyond reasonable doubt that the nations that have blessed the Jewish people have had the blessing of God; the nations that have cursed the Jewish people have experienced the curse of God.
"Pray for the peace of Jerusalem, they shall prosper that love thee." (Psalm 122:6)
Just a thought...