I'd like to aske the meaning of "a social depth" in the following context. It's a part of a passage written about a ball game that used to be popular in Central America.
"....the ball game spread eastwards to some Caribbean islands as well as northwards to what is now Arizona. This geographical spread was matched by a social depth - the large number of courts indicates that the game must have been played informally by common people as well as retually be the elite....
I don' know how to explain it properly, but does that mean the game not only spread in a wide area but also went deeper into the social hierarchy?
I agree with your guess.
The game was deeply rooted in the society and culture of the time.
But I'm not 100% sure.
I am not a teacher.