The Torah and its Talmud-commentary (Jewish law) contain thousands of details, laws, customs, attitudes and beliefs. Some Jews observe more and some observe less, but these observances all come from the Torah.
One can practice shotgun shooting in more than one place. If you have enough land you can practice there. You can also go to a shooting range and try there.
yes
Polygamists practice polygamy which is the practice of having more than one spouse simultaneously.
it is the practice of managing business operations in more than one country.
Polytheism.
Serial monogamy.
Actually, polygamy has three categories. Polygyny is when a man has more than one wife; polyandry is when a woman has more than one husband; and group marriage is when more than one couple gets married to each other.
Yes, if one is mainly focused and knows what to practice, to learn.
Abraham is considered the first Jew because he recognized the existence of one G-d above all others.
Just ask. It's a common practice.
Split ticket voting
Having more than one spouse is called polygamy. More specifically, having more than one wife is polygyny and more than one husband is polyandry. Polygamy is illegal in the United States, Canada, Australia, and Europe but is allowed in some African, Middle Eastern, and Asian countries. Despite the fact that it is illegal, many still choose to practice it in secret. Most likely there are at least a handful of polygamists in every state of the US.