<span> The major closing was the banning of </span>theater<span> at the start of the English Civil War. On September 6, </span>1642<span>, by an act of Parliament, all </span>theaters<span> in England were </span>closed<span>.</span>
It would be was and was because he is singular. I'm not sure about complete or completes, but I think it would be complete.
it's (D) i just took the test
A word that replaces a noun. Ex: John eats apples -> He eats apples.