The comma really doesnt have a history... it just came around when the alphabet and punctuation was made. A comma is like a period but shorter.
No it doesn't require a comma.
hmm 1000000000 billion comma cmma
A compound sentence, which is made up of two independent clauses that are connected with a comma and a coordinating conjunction like "and," "but," or "or."
last comma before the and is not necessary
No, there is not a comma after "except that."
5 comma 300 comma 000 comma 000 comma 000 comma 000.
Yes, a comma is not needed after "wood" in this sentence. It is already clear that "wood" is the subject being discussed, and inserting a comma may disrupt the flow of the sentence.
Comma after what?
cut the comma in half
The comma goes after.
This is a comma = , This is a colon = :