Correct punctuation for Boston, Massachusetts

Played an important role in American history
and politics.

http://grammar.ccc.commnet.edu/grammar/commas.htm

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The correct punctuation for the sentence "Boston, Massachusetts played an important role in American history and politics" is as follows:

Boston, Massachusetts played an important role in American history and politics.

When punctuating a sentence with a geographical location like Boston, Massachusetts, it is customary to place a comma after the city name to separate it from the state or country name. This helps to provide clarity and prevent any confusion.

Additionally, when listing multiple items in a sentence, such as "American history and politics," it is common to use a coordinating conjunction (in this case, "and") before the final item in the list and not to use a comma before the coordinating conjunction.

So, by following these rules, the sentence should be punctuated correctly as shown above.

The correct punctuation for the statement "Boston, Massachusetts played an important role in American history and politics" is as follows:

Boston, Massachusetts played an important role in American history and politics.