USA Student visa - Dependents & family

Do one year MBA programs in Europe offer part-time work opportunities while studying and allow spouse dependent visas?

Are there any options for dependent visas currently available in the UK or other countries in Ireland/France for a Postgraduate?

What are the options if spouse is not allowed on a masters degree visa in the UK for a Master's?

Is it possible to get a dependent visa and work permit while studying abroad in Canada/USA?

Is the UK a viable option for study with low percentage and dependent visa issues for a PhD?