If it's looking for punctuation, the answer is a comma.
Yes there was many things us could have done to avoid the war but they refused to let communism spread
I’m not sure about this but this looks like a legit conversation to me:
Hello can I help you?
Yes, please, I would like a bag of sugar.
Yes, of course. Anything else?
I would like a loaf of bread and a carton of milk, please.
Is that all?
Yes, that’s all.
That’s twenty pounds, please.
Here you are!
Thank you!
