South parts were colonized by Ottoman Empire and other north Africans after Roman Empire collapse until crusades so for around 1000 years. That is way more than modern history of America.

If you’re using nginx you need SSL certificate - most likely Let’s encrypt. Example tutorial that looks decent is here https://www.digitalocean.com/community/tutorials/how-to-secure-nginx-with-let-s-encrypt-on-ubuntu-20-04

But then you need a cronjob or something to renew certificate.

If you’re familiar with nginx it’s worth to install openresty that is nginx + lua scripts and it have thing like autossl that is configure and forget about your ssl renewal because it’s doing it automatically https://github.com/auto-ssl/lua-resty-auto-ssl