Conversation so far:
what was the Alliance>?
Page soon joined the Alliance during the WCW Invasion.
where was the invaision?
CANNOTANSWER.
who else was involved in the alliance?
Booker T and Buff Bagwell.
what happened to he alliance?
he fought The Undertaker in an unsanctioned brawl that was never announced as an official match.

Question: how long were they a group?
Self-contained rewrite: How long were The Alliance a group?