yes
of course they are allowed they just have to be respectful to our Jewish traditions.
Why would you want to? No law against it, but people would mistake you for Jewish.
No, however not all Jews follow the Jewish dietary laws.
Yes, even on Shabbat.
...of course.
There are no Jews living in Jordan, Jews aren't allowed citizenship in Jordan. Jews are allowed to travel to Jordan but these days there aren't a lot of Jewish visitors to that country.
The Nazi Party of Germany allowed the Holocaust to happen so the German people would be unified against the Jewish people.
Of course, there's no prohibition against holidays.
Yes, but in time they had to surrender them.
There is no prohibition against bringing non-Jews to an Orthodox synagogue or otherwise, it happens all the time.
They were readmitted to England by Oliver Cromwell in 1657.
Jews are able to physically do what any other person can do.