There being repeated on BBC3 now
In 1963, with the first episode being An Unearthly Child.
They usually bought them before they headed out. Other opportunities to purchase weapons may have come about from encounters with fur traders.
For new opportunities
The Doctor is from Gallifrey
There will be differing opinions on this, but most other Whovians (Fans of Doctor Who) that I have come into contact with like the 9th Doctor, played by Christopher Eccleston. I personally love him as the Doctor and I wish that he hadn't left after only one season.
Immigrants come to the United States seeking new opportunities.
It could be either. Being private opens them to more opportunities for their business to come up with in growing their business enterprise.
Doctor Who doesn't have an omnibus because episodes come episodes come out weekly and not daily.
You are eternally grateful for the opportunities that have come your way because they have allowed you to grow, learn, and achieve success in ways you never thought possible.
For better opportunities.
They sometimes come from countries with less resources or countries with less opportunities.