No, but you can change the language to French, German, Italian, Russian, and a few others.
No you can't unfortunately.
yeah just turn off (or all the way down) the volume in the audio controls listed as "battle speech volume" or "speech volume" or whatever
turn down the volume
No
no you can't. Just turn down the volume
He turned down chemical warfare
no
There is not a profanity filter (removing the "Adult Language") on Modern Warfare 3.
turn texture packs and well like everything else 0ff
Sadly no, they have not implemented that function yet, that is a great idea though.
It should ask you if you want it turned down at the opening screen for the first time.
The Battle of Gettysburg did not start the Gettysburg Address. The Gettysburg Address was a speech given on the field where the Battle of Gettysburg was fought, because they were creating a cemetery out of part of that field in which to inter the soldiers who fought and died there.