March,
definitly, and you should listen to some march pieces.
<h2>Answer:</h2>
If linking words start a sentence, they are followed by a comma. When they are used to connect two clauses, a semi-colon is used at the end of the first clause, and a comma is often used after the linking word(s).
I believe that flashbacks could be used to slow the pace of a story. If you are telling one story, and then decide to introduce a flashback, that would only slow down the story you are already telling.
Challenging hope it helped