Although Martha remained at Mount Vernon when George went to Philadelphia as a delegate to the Second Continental Congress, she often accompanied him to his headquarters during the war years. She spent the winter of 1775 in Cambridge,

No, the whole date is an adjective modifying "issue." No comma is needed.

American printing convention places the period and the comma always within the quotation marks and colons and semicolons always outside of them.

There should be no punctuation at the end of each address line. The full stop after title abbreviations is falling out of use, but it is still acceptable, certainly. Note, however, that 'Ms' is not an abbreviation, so it takes no full stop in any

(...continued) ... 'They have appeared on message boards.' and ' spread by word of mouth.' Such a phenomenon is technically known as polypredication . Second, punctuation comes in handy, as the comma in such cases usually indicates

Okay, guys. My erroneous assumption was that this was an address on an envelope. Since the post office "recently" added zip codes and standardized the "two letter" state abbreviations, I haven't seen the comma after the

As with many aspects of punctuation, the comma following the state is a matter of style, but the major style guides that I try to follow still require it, so I always include it. Think of the state as being parenthetical information about the city

And, according to traditional punctuation, a comma should come between the state and whatever follows. Personally, I think it looks odd. Maybe that was the rule if the state was written out.

Hi, They are all OK. Use the comma if you want the reader or listener to pause and think for a moment. eg There , (listener has lots of time to turn his head in the direction you are pointing and to see what is there) you can see

Not necessary; it would just clutter the sentence.