You can finish this sentence by saying, "You're having a misunderstanding!"
The Spartans played the game known as "Discus" more than any other party of Greek life. Their people were very gruel and focused mainly on the objectives of; competitive sports, violence, and gore. What can be learned from this expert is that the Greek people were competitive and enjoyed violent games and sports for entertainment.
The answer is lake because a semicolon is used to join together two independent clauses that are closely related. If you put a period after lake you would have two sentences that make sense, but putting a semicolon lets the reader know that those ideas are closely related and are equal in importance.
Sentence A is correctly punctuated.
I think I will wear tan pants and a green cotton shirt to school on Wednesday.
The other sentences have commas where they are not needed.
she is angry and upset becasue mani was a bad husband and he did bad things.