Answer:
Thirty men and ladies two, gathered for a festive do; Dressed quite formal, black and white; soon movement turned to nasty fight.
What can stand in place of a country but still fold away in a drawer?
I'm a bacteria that causes typhoid What's my name ?
What does everyone know how to open but not how to close?
What kind of nut is empty at the center and has no shell.
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?