A 2012 poll shows that 78% of American Jews support same-sex marriage, while 21% oppose it.
It should be noted that Orthodox Judaism does not accept same-sex marriage or sexual relations.
The overwhelming majority of Jews accept homosexuality and support same-sex marriage. In fact, all branches of Judaism, except the Orthodox minority, recognize same-sex marriage.
Jews do not define themselves by what they oppose, but by what they value and cherish. They value monotheism and ethical behavior.
because they can
Jews consider marriage sacred.
That depends Jews were for Arabs were against
Jews are not a monolith so there is no one single opinion on the subject of sex before marriage.
1935 (September)
Jews
They helped Jews escape and hid them in their homes risking their own life's or they helped them escape to neutral countries
Sometimes, but it's mostly among Orthodox Jews.
They held the Jews responsible for the Black Death/Bubonic Plauge.
Same-sex marriage is prohibited by Islam, Orthodox Jews (and some Conservative Jews) and most Christian denominations.