The Ottoman Empire

Name one good thing/advancement in humanity that came out of their empire.

Pro-tip: You can't

Coffee

...

meritocracy

they were known for having good cartographers
i guess it was important to know where you can spread some islam n shit

They closed off the eastern spice trade route which force Europeans to find another way to India, which results in discovery of America

green tea

They kept the hardcore Islamists in check.

A chunck of their language helped to create mine

Literally nothing. Roaches are useless.