Orthodox Jews are strictly observant. Hassidic Jews are even more strict.
Orthodox, or Ultra-Orthodox (Hasidic)
Some were Catholic, some were Protestants, but it is hard to believe that any of them were truly observant Christians. A few were declared atheists.
No. Sex between Jews and Germans was strictly forbidden.
Since the early 1920s the US had very stringent immigration controls, and these were strictly enforced.
They were called Jews.
Halakha
People who practice Judaism are called Jews.
The Mosaic Laws are the laws that God gave to Moses. Jews are supposed to follow these laws to the best of their ability as a guide to being a good person and a good example to the people of the world. Jews who strictly follow the rules are simply religious Jews.
No, Torah-observant Jews do not.
Observant Jews do not eat crayfish.
The majority of observant and semi-observant Jews practice their religion everywhere they go, during all their waking hours.
because they follow the torah very strictly
Yes. Torah-observant Jews will make sure that the ingredients are kosher.
Observant Jews say the Shema twice a day.
Religiously observant Jews will only eat foods that are kosher.
A realtor can use a Shabbat elevator as a selling point for Orthodox Jews. I don't know of any non-observant Jews who would be discouraged from buying because of this though.
Yes, Jews can eat chicken. Religiously observant Jews would require that the chicken be kosher.
Religiously observant Jews will only eat in restaurants that are kosher certified.