Does not matter if you are a US Green Card holder or not, when you have an Australian visitor visa, you can go there.
Yes, all west Africans need a visa to visit Australia
you will need a passport
For a visitor/tourist, yes. To sustain a longer visit or attain a green card, no.
yes they can do that
Does a Bangladesh Passport holder having USA Green Card need tourist visa for Cambodia
visit is the root word for visiting
a visitor.
If you have Indian citizenship,passport and got US GC then for Bahamas, Canada, Mexico and Switzerland you don't need visitor or tourist visa.You can travel to Costa Rica without needing a visa too.Assuming you have an Indian passport, the UK and France will exempt you from a Transit visa but not a visitor's visa.You'll need tourist visas for UK and France.
night visit
she is American residented (green card)and vietnames passport.can she visit Canada
No, just a visitor e-visa. It is a very simple process, which should be obtained through the Australian immigration website.
If you are a citizen of a country whose citizen do not need a visa to visit Japan, then you are fine; Green card does not waive visa requirement for Japan.