Which is the hardest and easiest to bring ? tourist, working, immigrant u.s visa & why?

---

Answers:   

---

The tourist visa would be the simplest to obtain if you can convince the consular officer that you have compelling reasons to return to your country when your "touring" have been completed.

---

An immigrate visa is the hardest to get because you are going to stay.

---

---

Resolved Questions:
3543-6.html

Can someone explain to me please: I've be refuse a student visa, can I still enter the UK?? HOW?Do I requirement a visa?
as explained above: I've been refused a student visa for UK, I'm a Croatian citizen, & we DON'T need visas to enter UK. But as my student visa have been refused do I still need a visa to enter?? Which visa should...