Eli5 How do people get banned from country’s?

Question

I’ve heard people getting banned from country’s and I want to know what you have to do to get banned and how they know you are banned from that country

In: 0

Answer 1

Primarily by breaking the laws of that country. However a country can basically deny you entry for any reason, so it could be something as simple as you insulted their dear leader so they said you weren’t welcome.