What lines of latitude are all four civilizations within?​

Explanation:

The 30°north latitude line runs through the four ancient civilizations and is a mysterious and peculiar line of latitude. If we think carefully, we can know our planet Divided into two hemispheres:North and South, Continent plates are mostly concentrated in The northern hemisphere, the southern hemisphere is mainly ocean.

nigger, that word was originated for white folks   to keep black people under

and when black people use it, they know that's just how they greet each other

and when white folks use it, they know there's a double meaning under