DC Basic Actions

The BAC Casualties has the following global:
Do I gain more than one life if multiple opposing Sidekicks are KO'd?
Also, the BAC Save Civilians has the following text:
If I field multiple Sidekicks, do I get to have the effects multiple times? Also, this reduction of fielding cost does not reduce it down to 0, correct?
Global: Pay [1 Fist] or [1 Bolt]. Gain 1 life whenever an opposing Sidekick is KO'd this turn.
Do I gain more than one life if multiple opposing Sidekicks are KO'd?
Also, the BAC Save Civilians has the following text:
Whenever you field a Sidekick this turn, reduce the fielding cost of another die by 1, draw a die from your bag, and put it in your Prep Area.
If I field multiple Sidekicks, do I get to have the effects multiple times? Also, this reduction of fielding cost does not reduce it down to 0, correct?