What was the main controversy that affected Colo-Colo B's existence in the Third Division?
Match-fixing
Doping
ANFA's rule on filial teams
Violence in stadiums
Answer
The main controversy that affected Colo-Colo B's existence in the Third Division was ANFA's rule that prevented filial teams from participating. This rule led to difficulties for reserve teams like Colo-Colo B, who were unable to compete at that level.
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